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Everything on it is free to read, and stays that way.
This site is not selling anything. Every symbol, every session in the archive and the whole cross-sectional screener are open to everyone, with no account required.
It does cost something to run: an end-of-day options data subscription, and a machine that spends its nights fetching and computing. If the site is useful to you and you feel like contributing to that, an address is below. Nothing about the site changes whether you do or not — there is no tier, no unlock, and nothing withheld from anyone who doesn't.
A membership is coming, later
The plan is eventually to put the cross-sectional screener and the full history depth behind a paid membership, and to leave every individual ticker page free. That is not live yet, and until it is, nothing is gated.
A donation today buys no membership and reserves no place. When memberships open they will be sold separately, and this page will say so.
Saying that plainly matters more than the money: a donation collected against a promise is a debt, and this one carries none.
Where to send
A cryptocurrency transfer cannot be reversed. Neither we nor the network can undo one sent to the wrong address or on the wrong chain, and a donation is not refundable in any case. Check the address and the network before sending, and send a small test amount first if you are unsure.
Only ever use an address shown on this page while you are signed in over HTTPS. We will never message you an address or ask you for a payment.
BTC
Bitcoinbc1qc962gnke5jchcahkt09pkuzcg32yd24uqqnv35
ETH
EthereumEthereum mainnet. The same address also receives on Arbitrum, Base, BNB Chain, Polygon, OP and other EVM networks.
0xa63c4d5aF2eC0B7D0FCdd195a1126823db7c63b9
SOL
Solana3tX79jyZubzzTL72B6P7p4eeRjP2p6GH8jxrwF81pQNC
TRX / USDT
TronTRC-20 network only. USDT sent on any other network will not arrive here.
TSzrfTf7oxfygkRY7JZ2uU4SekAvQ4Coxh
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Donations are gifts, not purchases. They confer no service and no entitlement, and are not refundable. See the Terms.