Summary: This article delves into the deep waters of prediction markets, analyzing how to construct a systematic certainty trading strategy by seizing information positions, exploiting contract settlement loopholes, and monitoring order book depth.
Author: Changan I Biteye content team.
In Biteye's previous article, we introduced the basic arbitrage logic of prediction markets. (Link🔗https://x.com/BiteyeCN/status/2016485836251074622) For advanced traders, the core profit of Polymarket is no longer just event prediction, but systematic arbitrage based on information transmission rankings, contract parsing boundaries, and probability mismatches.
When ordinary investors obtain delayed information on social media, professional traders have already harvested pricing discrepancies before market consensus is reached through monitoring original data sources.
In this article, Biteye will deeply advance your understanding:
Information transmission positions: Seizing the first fall point of raw data to achieve a rapid trading strategy similar to formula news.
Top trader case: Analyzing the automated model and reverse sentiment strategy of million-dollar-level players.
Avoiding Pitfalls Guide: Analyzing UMA's adjudication logic and contract clause vulnerabilities to mitigate the settlement risk of 'facts established but adjudication fails'.
1. Strategy advancement, what are the experts still playing?
1️⃣ Information tracing: Seizing the first fall point in the communication chain.
The price fluctuation logic in the prediction market can be simplified to: real events → raw data flow → social media → trader decision-making → on-chain order matching → price changes.
The earlier you obtain the raw data flow, the greater your price advantage.
Blogger @QuantVela: Each market on Polymarket corresponds to the most authoritative resolution source vertically, but these sites often do not have public APIs, and the documentation is incomplete. At this point, writing emails to inquire can potentially connect you to the source data.
In the prediction market, the timing of information on the timeline is very valuable; the earlier it is, the more likely it is to replicate 'formula news', becoming the Vida of the prediction market.
2️⃣ Locking in certainty: Dissolving the time dimension of closing trades.
In the prediction market, many people are obsessed with sweeping the closing phase, making a small profit of 1% when the victory seems as high as 99% with large positions. However, this approach can instantly wipe out dozens of profits with just one reversal.
The closing phase can be swept, but it is important to find the right market.
The price in the prediction market is essentially a pricing of possibilities. When an event approaches its end, time is insufficient to support the occurrence of variables.
For example:
In the last minute of a football match, the leading side still maintains a two-goal advantage.
In a LOL match, one team has already been wiped out, and the other team has five heroes attacking a crystal with only 10% health remaining, and no one on the opposing side has respawned.
Or: The fact has already occurred and been announced, but due to the process, the market is still in an unresolved state.
In election prediction markets, the leading candidate's votes > remaining uncounted votes.
Effective closing sweeps are not about betting on probabilities, but about betting on the physical impossibilities. This small profit is only true certainty when time can no longer support the occurrence of any variables (such as reversals or comebacks).
3️⃣ Volatility arbitrage: Capturing irrational premiums.
In the 15-minute BTC price prediction market, when BTC's price rises/falls rapidly, buy the low-price side, then hedge by buying the opposing side, ensuring the total cost is less than $0.95 to lock in 5-10% profit.
For example: If the price of BTC drops, the probability of an upward movement within 15 minutes may irrationally rebound due to panic. Probabilities follow the price down.
At this time, buying Up positions at irrational prices, and waiting for the market to stabilize before buying Down at normal prices, ensuring that the Up and Down positions remain consistent, and the total cost is less than 0.95.
This strategy is similar to grid strategies, buying low and selling high, not guessing the direction, and laying out in both directions to convert volatility into price differences.
Tip: This strategy is only suitable for volatile markets. In recent unidirectional downtrends, there are always bets on the upward probability, leading to a low correlation between probability and price, often resulting in an upward price premium.
4️⃣ Market making in low-price ranges: Profiting from the buying and selling spread in niche markets.
In Biteye's previous article, we briefly mentioned the logic of this strategy. There are arbitrage opportunities in newly launched or illiquid markets in Polymarket, making profits from the bid-ask spread.
It should be added that:
Only operate in markets that will not settle immediately, avoiding events that quickly lead to results causing positions to be forcibly closed.
Focus on low-price ranges (1-5 cents), as these micro-prices usually have lower liquidity, larger spreads, and are more likely to exhibit significant bid-ask differences.
The bot sees the current bid price, for example, 3 cents → immediately buys at the bid price.
Then immediately sell at the ask price, for example, 4 cents. Each time locking in about 1 cent of price difference.
The essence of this strategy is to provide liquidity to low-liquidity markets and achieve profit stacking through high-frequency capture of small bid-ask spreads.
2. Real case review: How top traders made millions on Polymarket?
1️⃣ Depth imbalance: Capturing probability mismatches in the prediction market (Total profit $70,000).
Real-time monitoring of Binance's spot or contract depth order book, focusing on the distribution, depth, and imbalance of buy/sell orders to assess the trends in the 15-minute cryptocurrency price prediction market.
If buying pressure is significantly greater and closer to the current price, or large buy orders accumulate → it indicates a higher probability of a short-term upward movement.
If selling pressure is greater and order amounts are larger → it indicates a higher probability of a short-term downward movement.
When the short-term directional signals displayed on the order book are strong enough, the bot quickly buys the undervalued side (e.g., buying Up), and swiftly sells to close the position when Polymarket's price corrects to reflect the true probabilities.
The essence of this strategy is to utilize the leading data from high liquidity markets (Binance) to harvest delays in price discovery in low liquidity markets (Polymarket).
2️⃣ Reverse sentiment strategy (Total profit $1.45M).
Trader anoin123, with a total profit of $1.45 million, demonstrates an extremely lucrative logic in the prediction market: harvesting collective panic.
He specifically selects binary markets with clear deadlines, for example:
Will the U.S. strike Iran before X month X day?
Will Israel strike Iran before X month X day?
Government shutdowns, regime changes, and similar high-profile events.
When news headlines, social media panic, or tensions escalate, retail investors will flood into the YES direction, pushing the YES price up to 70–95¢, while the NO price is severely depressed (usually down to 5–40¢).
People tend to overestimate the probability of extreme events occurring in the short term while underestimating the immense inertia of maintaining the status quo in geopolitics.
He does not bet on the geopolitical results themselves, but on the market's overreaction returning to rationality, that is, nothing will happen.
As the deadline approaches, as long as war has not broken out, the price of No will naturally rise as time passes.
When the initially panicked news calms and rationality returns to the market, he can also sell when No rebounds to normal levels.
Simply put: They are betting on irrational premiums caused by market panic.
3️⃣ Capturing the certainty window before consensus formation (Total profit $1.09M)
In Biteye's previous post, we introduced 'news trading' in Polymarket's subjective trading, and this time we introduce 'information arbitrage trading'.
chungguskhan only places heavy bets on highly certain events, all his positions are six-figure bets.
Polymarket's U.S. market launch: Invested $242K to buy YES (entry price around 50¢), made $380K (ROI 57%).
Joshua vs. Paul boxing match: $69K entry at 49¢, made $141K (ROI 103%).
These are not blind bets, but rather taking advantage of the time window between 'information only known to a few' and 'market consensus'.
For example: Regulation has been approved, but the official press release will not be published for several hours or days.
Tip: Of course, there are many insider trading/rat trading in the prediction market. Taking the latest product launch as an example, a launch event typically requires coordination among public relations companies, media, downstream manufacturers, logistics, etc. In this collaborative network, leaks are difficult to avoid. Therefore, for such markets, one can pay attention to the betting situation of new wallets.
3. Avoiding pitfalls guide: How to avoid traps in prediction markets?
1️⃣ Consensus is not profit; deviations are.
In Polymarket, the formula that easily misleads beginners is: 'I think there is a 99% chance it will happen, and the current price is $0.99, so this is free money.' In reality, this is often the beginning of losses.
The probability in Polymarket reflects the consensus of traders, not the objective probability.
If the Yes pricing in the Polymarket is 0.99, and the actual probability of this event occurring is also 99%, then your expected return for betting on Yes is 0, not 1%.
Tip: Look for pricing errors; only when you think the actual probability is 90%, and the market pricing is only $0.70, does this 20% deviation become your profit.
2️⃣ Sell expectations, avoid holding until settlement.
The biggest risk lies in unexpected losses due to ambiguous rules, unreliable sources, or disputes at the time of settlement. It is advisable to sell early for profit when the market is still emotional.
Polymarket once had a market: Will TikTok be banned before January 19, 2025?
In fact: On January 19, 2025, major app stores in the U.S. (Apple, Google) indeed removed TikTok from downloads, and the government officially initiated a ban, preventing new users from downloading and restricting certain functions for old users. In everyone's common sense, this is already considered a ban.
However, in the UMA's rule description, the definition of a ban is very strict—there must be a complete inability to access or a total cessation of operations.
UMA's voters ultimately determined that this did not meet the strict definition of a ban. As a result, all those who bet YES lost their capital, even if they had already seen the ban take effect in the physical world.
3️⃣ Study the settlement rules, not just tracking announcements.
Before placing bets, it is essential to study the rules of the market.
Polymarket once had a market: 'Will Monad airdrop in October?'
On October 9, Monad's official post stated: The airdrop Claim website will open on October 14. Logically, the Yes for Monad's October airdrop should rise to $1, but it did not.
The reason is that the rules state: Only when users receive the airdrop and it is in a tradable state is it determined as Yes. As a result, the price of Yes surged and then retreated after news trading.
Tip: Pay close attention to 'Source', 'Definition', and 'Timezone'. Beware of 'word games': especially regarding verbs like 'airdrop', 'ban', 'go live', etc., be sure to check whether it refers to 'announcement' or 'completion of substantive actions'.
4️⃣ Interesting data.
Similar to Biteye's previous article: 'According to Dune's data: The accuracy rate of Polymarket in the 4 hours before settlement is 95.4%.'
It has been found that 79.6% of the markets in Polymarket are identified as No.
This is not unfounded: No contains more possibilities than Yes in mathematics and logic.
5️⃣ Avoid blind following of trades while ignoring execution details.
Seeing a 99% win rate or a massive PnL from a god-level wallet on the leaderboard, the first reaction shouldn't be to Copy Trade. Avoid blind following in the prediction market.
Many high-win-rate wallets are essentially delay arbitrage bots, and these profits only exist in specific millisecond windows. Blindly following trades will only provide liquidity to these bots.
Tip: Before following trades, check trade frequency, individual trade size, and historical drawdowns. Following subjective traders will yield better results.
In conclusion: In prediction markets, strategy is the core method for stable profits.
If in Biteye's previous post we introduced the beginner's doorway to the prediction market, then this in-depth analysis is to unveil those trading strategies in Polymarket.
From a first-principles perspective, the prediction market is essentially a pricing of information flow, rewarding cognitive depth.
After analyzing so many Polymarket cases, Biteye found that Polymarket is forming a unique ecosystem: it fairly rewards every strategist. Here, everyone's strategy is different:
Some people focus on information arbitrage, making money from time differences.
Some people monetize cognition by analyzing event odds.
Some people summarize patterns and bet on the possibility of event reversals.
Although the focused tracks vary, and strategies differ. However, the commonality among these winners is that they never gamble on luck, only on the certainty of events.
The most captivating aspect of the prediction market may be that it provides a direct monetization path for cognition.
May you build your own set of certainty models in the market of probabilities.