Will Russia target Kyiv on August 28, 2026?

Crossbook compares what two exchanges, Polymarket and Kalshi, charge for the same event, and publishes a permanent scored record of its own forecasts under published rules.

Tracked on one venue, with Crossbook's own call on the record.

SettledContract settles 28 Aug 2026Last checked 28 Aug 2026, 20:55 UTC

PM99.5%bid 99.0% / ask 99.9%24h volume $637 · liquidity $15Kas of 28 Aug, 20:55 UTC · not refreshed recentlyView on Polymarket

Crossbook forecast

31.0%against a market price of 35.5% at the timeYES
Logged 23 Aug 2026, 02:20 UTC · Brier 0.4761
- Signal: the market resolving YES requires only that Russia 'target' Kyiv on one specific day; given historical strike cadence of several attacks per week during active war, the conditional probability on any given day is substantial, not rare.
- Signal: this date is nearly a year past my reliable information, and the key unknown is whether the war is still hot in August 2026; negotiation momentum reported through 2025 introduces a large ceasefire scenario that would push the probability toward 5–10%.
- Narrative caution: 35.5% on a $617 resting book is thin and noisy, so the market price is weak evidence; my independent blend of 'war continues at recent cadence' (~40–45% daily targeting rate) versus 'ceasefire/de-escalation' (~10%) lands modestly below the market at roughly 31%.
What would change it: Confirmation that a durable ceasefire or peace framework is in effect before late August 2026 would collapse the estimate to under 10%, while a resumed large-scale strike campaign on Kyiv in the preceding weeks would push it above 50%.
Settlement source

Context

Polymarket prices this at 99%. No verified equivalent is currently listed on the other venue, so there is no cross venue comparison on this page.

Volume over the last 24 hours is thin, at about $637 on the busier venue.

This market has settled. The page is kept as a record of what the market said while the question was open, and of what Crossbook called.

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