Trade: Will Russia capture all of Kostyantynivka by...?

Market context

Kostyantynivka, a city of roughly 70,000 in Donetsk Oblast, sits approximately 15 kilometres west of Russian-held Horlivka. Russian forces have advanced incrementally across eastern Donetsk throughout 2024 and into 2025, though their rate of territorial gain has slowed considerably compared to 2022. The market asks whether Russia will control the entire municipality by end of 2026—a span of roughly two years from the settlement window's opening. The 5% implied probability on Polymarket's order book reflects scepticism that such a complete capture will occur within this timeframe, despite Russia's ongoing offensive operations in the region.

Historical precedent suggests caution about rapid Russian advances in built-up areas. Mariupol took roughly three months to fully capture in early 2022; Bakhmut required nearly a year of grinding urban warfare. Kostyantynivka's size and defensive preparations make it materially different from smaller towns Russia has overrun. The current probability incorporates the assumption that Ukrainian forces will maintain some defensive capacity and that the front will not collapse entirely. Comparable towns in Donetsk have seen Russian control expand gradually rather than in sudden sweeps.

Traders should monitor Russian casualty rates, ammunition availability, and any shifts in Ukrainian defensive posture. Recent reporting from the Institute for the Study of War indicates Russian advances in Donetsk have continued but remain measured. The settlement depends entirely on ISW's mapping methodology, which updates as territorial control changes. Any major breakthrough or alternatively, any sustained Ukrainian counteroffensive, would materially alter the probability trajectory.

How this market resolves

Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.

How to trade this market step by step

The mechanics for trading "Will Russia capture all of Kostyantynivka by...?" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.

1. Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
2. Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
3. Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
4. Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
5. Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
6. Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.

How active is this market?

$253K in lifetime turnover and $42K of resting liquidity puts this market in the top 10% by volume for ukraine contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.

Last 24 hours alone saw $2K in turnover, consistent with the market's lifetime daily-average pace.

The market has been open for 3 months — the price has had time to stabilise as new information arrived.

Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.

Key terms

YES / NO share

A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.

CLOB

Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.

Liquidity

USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.

UMA optimistic oracle

The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.

Slippage

The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.

Conditional token

ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.

See the full prediction-market glossary →

Frequently asked questions

Risk and regulatory note

Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.

Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.

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