The weekly briefing · Aug 29 – Sep 5, 2026

The Fed’s close call. Rigetti’s unfinished deal.

Heavy Fed-hike buying meets modest repricing. Rigetti’s proposed government stake loses certainty. Two unresolved questions, the countercases, and the next tests.

Recorded prices through Sep 5, 2026. Research and contract status reviewed Sep 6, 2026.

The Fed is a close call—even after heavy hike buying.

A 50% hike price, a 49% hold price, and inflation data before the decision. The interesting part is how little heavy buying has changed the balance.

Why this matters

A hike raises the policy rate that influences borrowing costs for households and businesses. A near-even hike/hold market therefore leaves a consequential financing question unresolved: does the next decision bring another tightening step?

What the evidence says

At the end of our recorded window, a quarter-point September hike cost 50% on both venues; holding rates cost 49%. The two rate-cut outcomes each cost 1% or less. The most expensive alternatives therefore put the focus on whether policy tightens again. These are separate purchase prices, so they should not be added up as a probability forecast.

The hike contract recorded about $967,000 of buyer-initiated YES trades against $312,000 of seller-initiated trades on Polymarket. Buying represented 75.6% of that gross trade value. Yet the YES purchase price moved from 47% to 50% over the same period. The imbalance in activity is much more dramatic than the repricing.

The next test is close: August producer and consumer inflation releases arrive before the September 15–16 Fed meeting. This makes the response to new data more informative than the size of last week’s purchases alone.

Our interpretation

The stronger signal is a market still divided over a hike versus a hold. Buyer-initiated activity was substantial, but the Polymarket YES price rose only three points. Watch how prices respond to inflation data before reading this as a new consensus.

The countercase

The totals cover only the YES token and do not reveal traders’ net positions. Repeated turnover or sellers willing to meet buyers could produce the same pattern. Without order-book depth or position data, we cannot establish why the price moved so little—or whether these buyers have an informational edge.

Watch next

Producer inflation on September 10 and consumer inflation on September 11, both at 8:30 a.m. Eastern, precede the September 16 Fed decision. Watch whether hike prices pull away from hold prices on both venues after the releases. A continuing near-tie would weaken the conviction reading.

The recorded evidence

A quarter-point hike in September

Kalshi48% 50%+2 points
Polymarket47% 50%+3 points
KalshiPolymarketYES purchase price
Recorded Kalshi and Polymarket YES prices: Increase rates by 25 bps after the September 2026 Fed meetingKalshi moved from 48% to 50%; Polymarket from 47% to 50%. Both venues moved in the same direction. Lines break at missing observations or gaps longer than six hours. Vertical scale 0 to 100%.0%25%50%75%100%Kalshi 47% · Aug 30, 2026 · 0:05 UTCKalshi 48% · Aug 30, 2026 · 6:15 UTCKalshi 48% · Aug 30, 2026 · 9:05 UTCKalshi 48% · Aug 30, 2026 · 11:55 UTCKalshi 49% · Aug 30, 2026 · 14:55 UTCKalshi 54% · Aug 30, 2026 · 23:55 UTCKalshi 54% · Aug 30, 2026 · 23:55 UTCKalshi 54% · Aug 31, 2026 · 2:50 UTCKalshi 54% · Aug 31, 2026 · 5:45 UTCKalshi 54% · Aug 31, 2026 · 8:30 UTCKalshi 54% · Aug 31, 2026 · 11:15 UTCKalshi 57% · Aug 31, 2026 · 14:00 UTCKalshi 57% · Aug 31, 2026 · 14:00 UTCKalshi 58% · Aug 31, 2026 · 14:05 UTCKalshi 58% · Aug 31, 2026 · 14:10 UTCKalshi 61% · Aug 31, 2026 · 16:46 UTCKalshi 61% · Aug 31, 2026 · 16:46 UTCKalshi 57% · Aug 31, 2026 · 22:25 UTCKalshi 58% · Sep 1, 2026 · 1:16 UTCKalshi 59% · Sep 1, 2026 · 13:31 UTCKalshi 59% · Sep 1, 2026 · 13:31 UTCKalshi 59% · Sep 1, 2026 · 13:36 UTCKalshi 59% · Sep 1, 2026 · 13:41 UTCKalshi 61% · Sep 1, 2026 · 16:16 UTCKalshi 61% · Sep 1, 2026 · 16:16 UTCKalshi 61% · Sep 1, 2026 · 16:21 UTCKalshi 61% · Sep 1, 2026 · 16:26 UTCKalshi 61% · Sep 1, 2026 · 19:11 UTCKalshi 61% · Sep 1, 2026 · 22:00 UTCKalshi 61% · Sep 2, 2026 · 0:50 UTCKalshi 61% · Sep 2, 2026 · 3:40 UTCKalshi 62% · Sep 2, 2026 · 6:25 UTCKalshi 62% · Sep 2, 2026 · 9:10 UTCKalshi 61% · Sep 2, 2026 · 11:56 UTCKalshi 59% · Sep 2, 2026 · 14:51 UTCKalshi 59% · Sep 2, 2026 · 14:51 UTCKalshi 59% · Sep 2, 2026 · 14:56 UTCKalshi 59% · Sep 2, 2026 · 15:01 UTCKalshi 59% · Sep 2, 2026 · 17:41 UTCKalshi 57% · Sep 2, 2026 · 20:31 UTCKalshi 57% · Sep 2, 2026 · 20:31 UTCKalshi 56% · Sep 2, 2026 · 20:36 UTCKalshi 56% · Sep 2, 2026 · 20:41 UTCKalshi 55% · Sep 2, 2026 · 23:31 UTCKalshi 55% · Sep 3, 2026 · 2:26 UTCKalshi 55% · Sep 3, 2026 · 5:16 UTCKalshi 54% · Sep 3, 2026 · 8:06 UTCKalshi 53% · Sep 3, 2026 · 10:56 UTCKalshi 41% · Sep 3, 2026 · 13:46 UTCKalshi 41% · Sep 3, 2026 · 13:46 UTCKalshi 41% · Sep 3, 2026 · 13:51 UTCKalshi 41% · Sep 3, 2026 · 13:53 UTCKalshi 42% · Sep 3, 2026 · 13:56 UTCKalshi 43% · Sep 3, 2026 · 16:41 UTCKalshi 45% · Sep 3, 2026 · 19:36 UTCKalshi 45% · Sep 3, 2026 · 19:36 UTCKalshi 45% · Sep 3, 2026 · 19:41 UTCKalshi 45% · Sep 3, 2026 · 22:36 UTCKalshi 45% · Sep 4, 2026 · 1:41 UTCKalshi 43% · Sep 4, 2026 · 5:56 UTCKalshi 43% · Sep 4, 2026 · 5:56 UTCKalshi 43% · Sep 4, 2026 · 10:10 UTCKalshi 53% · Sep 4, 2026 · 14:26 UTCKalshi 53% · Sep 4, 2026 · 14:26 UTCKalshi 53% · Sep 4, 2026 · 14:31 UTCKalshi 53% · Sep 4, 2026 · 14:36 UTCKalshi 53% · Sep 4, 2026 · 18:45 UTCKalshi 52% · Sep 4, 2026 · 23:10 UTCKalshi 50% · Sep 5, 2026 · 8:30 UTCKalshi 50% · Sep 5, 2026 · 13:15 UTCKalshi 50% · Sep 5, 2026 · 18:15 UTCPolymarket 47% · Aug 30, 2026 · 0:05 UTCPolymarket 47% · Aug 30, 2026 · 6:15 UTCPolymarket 48% · Aug 30, 2026 · 9:05 UTCPolymarket 48% · Aug 30, 2026 · 11:55 UTCPolymarket 48% · Aug 30, 2026 · 14:55 UTCPolymarket 53% · Aug 30, 2026 · 23:55 UTCPolymarket 53% · Aug 30, 2026 · 23:55 UTCPolymarket 53% · Aug 31, 2026 · 2:50 UTCPolymarket 52% · Aug 31, 2026 · 5:45 UTCPolymarket 52% · Aug 31, 2026 · 8:30 UTCPolymarket 52% · Aug 31, 2026 · 11:15 UTCPolymarket 56% · Aug 31, 2026 · 14:00 UTCPolymarket 56% · Aug 31, 2026 · 14:00 UTCPolymarket 56% · Aug 31, 2026 · 14:05 UTCPolymarket 56% · Aug 31, 2026 · 14:10 UTCPolymarket 60% · Aug 31, 2026 · 16:46 UTCPolymarket 60% · Aug 31, 2026 · 16:46 UTCPolymarket 55% · Aug 31, 2026 · 22:25 UTCPolymarket 55% · Sep 1, 2026 · 1:16 UTCPolymarket 57% · Sep 1, 2026 · 13:31 UTCPolymarket 57% · Sep 1, 2026 · 13:31 UTCPolymarket 57% · Sep 1, 2026 · 13:36 UTCPolymarket 57% · Sep 1, 2026 · 13:41 UTCPolymarket 59% · Sep 1, 2026 · 16:16 UTCPolymarket 59% · Sep 1, 2026 · 16:16 UTCPolymarket 59% · Sep 1, 2026 · 16:21 UTCPolymarket 59% · Sep 1, 2026 · 16:26 UTCPolymarket 59% · Sep 1, 2026 · 19:11 UTCPolymarket 58% · Sep 1, 2026 · 22:00 UTCPolymarket 59% · Sep 2, 2026 · 0:50 UTCPolymarket 58% · Sep 2, 2026 · 3:40 UTCPolymarket 60% · Sep 2, 2026 · 6:25 UTCPolymarket 60% · Sep 2, 2026 · 9:10 UTCPolymarket 59% · Sep 2, 2026 · 11:56 UTCPolymarket 56% · Sep 2, 2026 · 14:51 UTCPolymarket 57% · Sep 2, 2026 · 14:51 UTCPolymarket 57% · Sep 2, 2026 · 14:56 UTCPolymarket 57% · Sep 2, 2026 · 15:01 UTCPolymarket 57% · Sep 2, 2026 · 17:41 UTCPolymarket 55% · Sep 2, 2026 · 20:31 UTCPolymarket 55% · Sep 2, 2026 · 20:31 UTCPolymarket 54% · Sep 2, 2026 · 20:36 UTCPolymarket 55% · Sep 2, 2026 · 20:41 UTCPolymarket 54% · Sep 2, 2026 · 23:31 UTCPolymarket 54% · Sep 3, 2026 · 2:26 UTCPolymarket 52% · Sep 3, 2026 · 5:16 UTCPolymarket 50% · Sep 3, 2026 · 8:06 UTCPolymarket 49% · Sep 3, 2026 · 10:56 UTCPolymarket 38% · Sep 3, 2026 · 13:46 UTCPolymarket 38% · Sep 3, 2026 · 13:46 UTCPolymarket 39% · Sep 3, 2026 · 13:51 UTCPolymarket 39% · Sep 3, 2026 · 13:53 UTCPolymarket 40% · Sep 3, 2026 · 13:56 UTCPolymarket 42% · Sep 3, 2026 · 16:41 UTCPolymarket 42% · Sep 3, 2026 · 19:36 UTCPolymarket 42% · Sep 3, 2026 · 19:36 UTCPolymarket 42% · Sep 3, 2026 · 19:41 UTCPolymarket 43% · Sep 3, 2026 · 22:36 UTCPolymarket 43% · Sep 4, 2026 · 1:41 UTCPolymarket 42% · Sep 4, 2026 · 5:56 UTCPolymarket 42% · Sep 4, 2026 · 5:56 UTCPolymarket 41% · Sep 4, 2026 · 10:10 UTCPolymarket 51% · Sep 4, 2026 · 14:26 UTCPolymarket 51% · Sep 4, 2026 · 14:26 UTCPolymarket 52% · Sep 4, 2026 · 14:31 UTCPolymarket 52% · Sep 4, 2026 · 14:36 UTCPolymarket 52% · Sep 4, 2026 · 18:45 UTCPolymarket 50% · Sep 4, 2026 · 23:10 UTCPolymarket 51% · Sep 5, 2026 · 8:30 UTCPolymarket 50% · Sep 5, 2026 · 13:15 UTCPolymarket 50% · Sep 5, 2026 · 18:15 UTCAug 30 · 00:05Sep 05 · 18:15 UTC
71 paired observations · 162.2 hours recorded. Start/end figures use the median of three quotes; dots show individual observations.
Follow the trades / Polymarket

Heavy buying. Modest repricing.

YES purchases$966,776
YES sales$312,011
Buy share of trade value75.6%

2,863 trades · Aug 30, 2026 – Sep 5, 2026. Gross executed YES trade value, not net money entering the market. Every trade has a buyer and seller; repeat trading can inflate the totals.

Inspect the trade activity
↑ Buyer-initiated↓ Seller-initiated
Bar heights use one dollar scale for buys and sells. Full values are in the table below.Scale: $252,081Period 1: YES purchases $63,428Period 1: YES sales $1,187Period 2: YES purchases $252,081Period 2: YES sales $44,010Period 3: YES purchases $185,744Period 3: YES sales $9,925Period 4: YES purchases $156,487Period 4: YES sales $95,857Period 5: YES purchases $171,268Period 5: YES sales $99,958Period 6: YES purchases $109,598Period 6: YES sales $26,919Period 7: YES purchases $28,171Period 7: YES sales $34,155Aug 30, 2026Sep 5, 2026

Seven equal time intervals. Complete API pagination within the stated window; NO-token trades excluded. Dollar value is token quantity × execution price. Trading direction does not identify a trader’s whole position or prove what caused a price move.

Public trade source · Download the recorded trades

The full decision

Hike, hold, or cut?

September Fed meeting · YES purchase prices

KalshiPolymarket
Hike 50+ bps
Kalshi2%
Polymarket0.7%
Hike 25 bps
Kalshi50%
Polymarket50%
Hold rates
Kalshi49%
Polymarket49%
Cut 25 bps
Kalshi1%
Polymarket0.4%
Cut 50+ bps
Kalshi1%
Polymarket0.2%

Separate contract prices, before fees. Each row uses its final three recorded quotes; these are not normalized probabilities and need not add to 100%.

When were these prices recorded?
  • Hike 50+ bps: Sep 5, 2026 · 18:20 UTC
  • Hike 25 bps: Sep 5, 2026 · 18:15 UTC
  • Hold rates: Sep 5, 2026 · 18:10 UTC
  • Cut 25 bps: Sep 5, 2026 · 18:10 UTC
  • Cut 50+ bps: Sep 5, 2026 · 18:25 UTC
Sources, contract terms & downloadable data

Reporting checked Sep 6, 2026 · 4:30 UTC. Outcome open at review. Quotes shown here are historical observations, not live prices.

Rolling purchase-price history · Public contract rules and status · Frozen price observations

Kalshi contract
KXFEDDECISION-26SEP-H25
Polymarket YES token
63842529068710005716169325380315470359047749786610778647370693404952498013178
Compare this market’s latest prices →Last price observation: Sep 5, 2026 · 18:15 UTC

Rigetti’s $100M proposal is being priced with more doubt.

The YES price fell about 15 points on both venues. The key distinction is between proposed government support and a qualifying equity agreement.

Why this matters

The proposed award would help finance Rigetti’s quantum-computing research, while the contemplated share issuance would give the government ownership. The economic story is both who funds the work and who participates in its upside.

What the evidence says

Rigetti’s May filing described a proposed $100 million award over three years, with shares to be issued to the Department of Commerce. It also said the parties would negotiate definitive transaction agreements. The August results still described the arrangement as a letter of intent. An announced proposal and an executed equity transaction are different milestones.

That distinction matters to the contract. Polymarket’s rules count an official announcement of a completed qualifying acquisition or a binding agreement within 2026. Speculation and non-binding plans are insufficient. This market measures a defined ownership event; it does not measure whether quantum computing is promising.

Our recorded YES purchase prices fell from 87% to 72% on Kalshi and from 95.6% to 80.5% on Polymarket. Both repriced lower, but the 8.5-point difference at the end also shows that they did not agree on the price.

Our interpretation

This looks like a repricing of execution risk: the proposed support remains on record while purchase prices have retreated. The consequential question is whether it becomes a qualifying agreement within the deadline. The chart alone does not establish that negotiations have deteriorated.

The countercase

Rigetti continued to highlight the proposal in its August update, and YES still cost more than 70% on both venues in our snapshot. The prices continued to lean toward a qualifying stake. A 15-point fall is not evidence that the deal has failed.

Watch next

Look for an official announcement documenting a completed qualifying acquisition or a binding equity agreement before the contract’s December 31 deadline. Repeating the funding proposal would not resolve the same uncertainty. The reviewed documents do not provide a date for that next agreement.

The recorded evidence

A US government stake in Rigetti during 2026

Kalshi87% 72%−15 points
Polymarket95.6% 80.5%−15.1 points
KalshiPolymarketYES purchase price
Recorded Kalshi and Polymarket YES prices: Rigetti Computing, Inc. to receive a US government stake in 2026Kalshi moved from 87% to 72%; Polymarket from 95.6% to 80.5%. Both venues moved in the same direction. Lines break at missing observations or gaps longer than six hours. Vertical scale 0 to 100%.0%25%50%75%100%Kalshi 88% · Aug 30, 2026 · 1:45 UTCKalshi 87% · Aug 30, 2026 · 7:50 UTCKalshi 87% · Aug 30, 2026 · 10:40 UTCKalshi 88% · Aug 30, 2026 · 13:35 UTCKalshi 88% · Aug 30, 2026 · 16:35 UTCKalshi 88% · Aug 30, 2026 · 19:45 UTCKalshi 88% · Aug 31, 2026 · 1:30 UTCKalshi 82% · Aug 31, 2026 · 4:25 UTCKalshi 82% · Aug 31, 2026 · 4:25 UTCKalshi 82% · Aug 31, 2026 · 4:30 UTCKalshi 82% · Aug 31, 2026 · 4:35 UTCKalshi 88% · Aug 31, 2026 · 7:15 UTCKalshi 88% · Aug 31, 2026 · 7:15 UTCKalshi 88% · Aug 31, 2026 · 7:20 UTCKalshi 88% · Aug 31, 2026 · 7:25 UTCKalshi 88% · Aug 31, 2026 · 10:00 UTCKalshi 88% · Aug 31, 2026 · 12:45 UTCKalshi 88% · Aug 31, 2026 · 15:35 UTCKalshi 88% · Aug 31, 2026 · 18:20 UTCKalshi 88% · Aug 31, 2026 · 21:10 UTCKalshi 88% · Sep 1, 2026 · 2:50 UTCKalshi 88% · Sep 1, 2026 · 5:35 UTCKalshi 94% · Sep 1, 2026 · 14:56 UTCKalshi 94% · Sep 1, 2026 · 14:56 UTCKalshi 94% · Sep 1, 2026 · 15:01 UTCKalshi 93% · Sep 1, 2026 · 15:06 UTCKalshi 94% · Sep 1, 2026 · 17:51 UTCKalshi 93% · Sep 1, 2026 · 20:41 UTCKalshi 93% · Sep 1, 2026 · 21:04 UTCKalshi 93% · Sep 1, 2026 · 23:35 UTCKalshi 93% · Sep 2, 2026 · 2:25 UTCKalshi 91% · Sep 2, 2026 · 5:10 UTCKalshi 91% · Sep 2, 2026 · 5:10 UTCKalshi 91% · Sep 2, 2026 · 5:15 UTCKalshi 90% · Sep 2, 2026 · 5:20 UTCKalshi 91% · Sep 2, 2026 · 7:55 UTCKalshi 91% · Sep 2, 2026 · 10:40 UTCKalshi 89% · Sep 2, 2026 · 13:26 UTCKalshi 89% · Sep 2, 2026 · 13:26 UTCKalshi 89% · Sep 2, 2026 · 13:31 UTCKalshi 89% · Sep 2, 2026 · 13:36 UTCKalshi 89% · Sep 2, 2026 · 16:21 UTCKalshi 89% · Sep 2, 2026 · 19:16 UTCKalshi 88% · Sep 2, 2026 · 22:11 UTCKalshi 88% · Sep 3, 2026 · 4:01 UTCKalshi 88% · Sep 3, 2026 · 6:51 UTCKalshi 88% · Sep 3, 2026 · 9:41 UTCKalshi 88% · Sep 3, 2026 · 12:31 UTCKalshi 89% · Sep 3, 2026 · 15:21 UTCKalshi 89% · Sep 3, 2026 · 18:21 UTCKalshi 85% · Sep 3, 2026 · 21:16 UTCKalshi 85% · Sep 3, 2026 · 21:16 UTCKalshi 85% · Sep 3, 2026 · 21:21 UTCKalshi 85% · Sep 3, 2026 · 21:26 UTCKalshi 79% · Sep 4, 2026 · 0:16 UTCKalshi 79% · Sep 4, 2026 · 0:16 UTCKalshi 79% · Sep 4, 2026 · 0:21 UTCKalshi 79% · Sep 4, 2026 · 0:26 UTCKalshi 79% · Sep 4, 2026 · 3:31 UTCKalshi 78% · Sep 4, 2026 · 7:36 UTCKalshi 73% · Sep 4, 2026 · 11:51 UTCKalshi 73% · Sep 4, 2026 · 11:51 UTCKalshi 73% · Sep 4, 2026 · 11:56 UTCKalshi 73% · Sep 4, 2026 · 12:01 UTCKalshi 69% · Sep 4, 2026 · 20:25 UTCKalshi 69% · Sep 5, 2026 · 0:50 UTCKalshi 69% · Sep 5, 2026 · 5:26 UTCKalshi 69% · Sep 5, 2026 · 10:10 UTCKalshi 69% · Sep 5, 2026 · 14:55 UTCKalshi 72% · Sep 5, 2026 · 21:15 UTCKalshi 72% · Sep 5, 2026 · 21:16 UTCKalshi 72% · Sep 5, 2026 · 21:19 UTCKalshi 72% · Sep 5, 2026 · 21:23 UTCKalshi 72% · Sep 5, 2026 · 21:27 UTCPolymarket 95.6% · Aug 30, 2026 · 1:45 UTCPolymarket 95.5% · Aug 30, 2026 · 7:50 UTCPolymarket 95.7% · Aug 30, 2026 · 10:40 UTCPolymarket 92.9% · Aug 30, 2026 · 13:35 UTCPolymarket 95.4% · Aug 30, 2026 · 16:35 UTCPolymarket 95.8% · Aug 30, 2026 · 19:45 UTCPolymarket 95.9% · Aug 31, 2026 · 1:30 UTCPolymarket 93.7% · Aug 31, 2026 · 4:25 UTCPolymarket 93.7% · Aug 31, 2026 · 4:25 UTCPolymarket 93.7% · Aug 31, 2026 · 4:30 UTCPolymarket 93.7% · Aug 31, 2026 · 4:35 UTCPolymarket 93.8% · Aug 31, 2026 · 7:15 UTCPolymarket 93.8% · Aug 31, 2026 · 7:15 UTCPolymarket 93.8% · Aug 31, 2026 · 7:20 UTCPolymarket 93.8% · Aug 31, 2026 · 7:25 UTCPolymarket 93.8% · Aug 31, 2026 · 10:00 UTCPolymarket 93.4% · Aug 31, 2026 · 12:45 UTCPolymarket 96.1% · Aug 31, 2026 · 15:35 UTCPolymarket 95.4% · Aug 31, 2026 · 18:20 UTCPolymarket 95.1% · Aug 31, 2026 · 21:10 UTCPolymarket 97.8% · Sep 1, 2026 · 2:50 UTCPolymarket 95.6% · Sep 1, 2026 · 5:35 UTCPolymarket 94.1% · Sep 1, 2026 · 14:56 UTCPolymarket 94.1% · Sep 1, 2026 · 14:56 UTCPolymarket 94% · Sep 1, 2026 · 15:01 UTCPolymarket 93.8% · Sep 1, 2026 · 15:06 UTCPolymarket 87% · Sep 1, 2026 · 17:51 UTCPolymarket 85.2% · Sep 1, 2026 · 20:41 UTCPolymarket 97.7% · Sep 1, 2026 · 21:04 UTCPolymarket 84.7% · Sep 1, 2026 · 23:35 UTCPolymarket 84.7% · Sep 2, 2026 · 2:25 UTCPolymarket 98.4% · Sep 2, 2026 · 5:10 UTCPolymarket 98.4% · Sep 2, 2026 · 5:10 UTCPolymarket 98.1% · Sep 2, 2026 · 5:15 UTCPolymarket 98% · Sep 2, 2026 · 5:20 UTCPolymarket 98% · Sep 2, 2026 · 7:55 UTCPolymarket 95.7% · Sep 2, 2026 · 10:40 UTCPolymarket 96.7% · Sep 2, 2026 · 13:26 UTCPolymarket 96.7% · Sep 2, 2026 · 13:26 UTCPolymarket 96.7% · Sep 2, 2026 · 13:31 UTCPolymarket 96.8% · Sep 2, 2026 · 13:36 UTCPolymarket 94.1% · Sep 2, 2026 · 16:21 UTCPolymarket 97.2% · Sep 2, 2026 · 19:16 UTCPolymarket 95.4% · Sep 2, 2026 · 22:11 UTCPolymarket 96.8% · Sep 3, 2026 · 4:01 UTCPolymarket 96.8% · Sep 3, 2026 · 6:51 UTCPolymarket 97.3% · Sep 3, 2026 · 9:41 UTCPolymarket 94.7% · Sep 3, 2026 · 12:31 UTCPolymarket 95.4% · Sep 3, 2026 · 15:21 UTCPolymarket 91.9% · Sep 3, 2026 · 18:21 UTCPolymarket 96.7% · Sep 3, 2026 · 21:16 UTCPolymarket 96.7% · Sep 3, 2026 · 21:16 UTCPolymarket 96.9% · Sep 3, 2026 · 21:21 UTCPolymarket 97% · Sep 3, 2026 · 21:26 UTCPolymarket 96.6% · Sep 4, 2026 · 0:16 UTCPolymarket 96.6% · Sep 4, 2026 · 0:16 UTCPolymarket 96.7% · Sep 4, 2026 · 0:21 UTCPolymarket 96.5% · Sep 4, 2026 · 0:26 UTCPolymarket 92.7% · Sep 4, 2026 · 3:31 UTCPolymarket 92.8% · Sep 4, 2026 · 7:36 UTCPolymarket 88.9% · Sep 4, 2026 · 11:51 UTCPolymarket 88.9% · Sep 4, 2026 · 11:51 UTCPolymarket 88.9% · Sep 4, 2026 · 11:56 UTCPolymarket 88.9% · Sep 4, 2026 · 12:01 UTCPolymarket 77.4% · Sep 4, 2026 · 20:25 UTCPolymarket 78.4% · Sep 5, 2026 · 0:50 UTCPolymarket 77.2% · Sep 5, 2026 · 5:26 UTCPolymarket 78.4% · Sep 5, 2026 · 10:10 UTCPolymarket 76.8% · Sep 5, 2026 · 14:55 UTCPolymarket 80.5% · Sep 5, 2026 · 21:15 UTCPolymarket 80.5% · Sep 5, 2026 · 21:16 UTCPolymarket 80.5% · Sep 5, 2026 · 21:19 UTCPolymarket 80.5% · Sep 5, 2026 · 21:23 UTCPolymarket 80.5% · Sep 5, 2026 · 21:27 UTCAug 30 · 01:45Sep 05 · 21:27 UTC
74 paired observations · 163.7 hours recorded. Start/end figures use the median of three quotes; dots show individual observations.
Sources, contract terms & downloadable data

Reporting checked Sep 6, 2026 · 4:30 UTC. Outcome open at review. Quotes shown here are historical observations, not live prices.

Rolling purchase-price history · Public contract rules and status · Frozen price observations

Kalshi contract
KXUSACOMPANYSTAKE-27JAN01-RGTI
Polymarket YES token
104399064224991063767549065704909254266466377503202800497439470780768403169568
Compare this market’s latest prices →Last price observation: Sep 5, 2026 · 21:27 UTC
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A move needs a meaning.

We choose consequential questions that remain unresolved, then put recorded prices alongside reporting that helps explain what is at stake.

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A meaningful change in expectations, a revealing disagreement, or a gap between the headline and the contract’s actual terms. Each story needs sourced context, our interpretation, a countercase and a specific next test. A large price change by itself is not enough.

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One weekly briefing, with two to four researched stories. An occasional post-weekend NFL edition examines changes to championship, playoff or season expectations. An exceptional, verified last-play comeback can also earn a place; routine in-game swings do not. We skip editions when the reporting is not ready.

What makes a comeback worth covering?

A remarkable win on the final play, with a recorded low price just before it happened. We show the price path, the decisive play and, where complete trade records are available, how much was spent buying the winning outcome at the unlikely price.

A separate $100 illustration shows the total returned and profit before fees, assuming a full purchase at that price held through a winning settlement. It is not a claim about anyone’s actual winnings. Missing trade data is labelled unavailable.

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Our weekly process prepares a research shortlist. Publication requires a fresh editorial review tied to the exact observations used in the article, source links and a check of the exact contract status. Forward-looking stories require an open outcome; comeback stories require confirmed winning settlements. A shortlist never publishes itself as analysis.

How should I read the numbers?

Charts show recorded Kalshi YES asks and Polymarket sell-side asks as percentages, before fees. Both venues must share an observation timestamp. Start and end values use three-observation medians. The 0–100% scale is fixed; invalid observations and gaps longer than six hours break the line. Comeback charts break at gaps over one minute and show the final result separately from purchase prices. A price move is not an investment return.

Separate outcome prices are not normalized probabilities. Trade totals are gross activity, not net inflows or a forecast. Our interpretation is identified separately from sourced facts.

Download the edition’s price observations →
How do you handle uncertainty and older editions?

We distinguish a possible explanation from an established cause. We retain dated editions and their recorded evidence, so readers can see what was known at publication. Older movement roundups remain in the archive; they use the earlier editorial format.

What are these outcomes priced at now?

This briefing preserves what we recorded at publication. The comparison pages show the latest available prices.

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