LIVEFull-depth Polymarket Up or Down order books for Bitcoin, Ethereum, Solana, XRP, BNB and Dogecoin, with the Chainlink price each market settles on.
Big resting orders cluster at round numbers like $100,000, and those walls act as speed bumps: price often stalls or reverses when it hits one. Polymarket strike markets sitting just beyond a wall are frequently priced as if the level does not exist. You monitor aggregate order-book depth on the major spot venues, identify the walls nearest a market's strike, and fade the markets that ignore them. The signal decays fast, because walls get pulled the moment they are tested.
Markets on Polymarket where depth-wall fade around round-number strikes is the natural play: