Pick a position
Choose an asset, a strike price and an expiry date. Calls lock the asset; puts lock stablecoins. Both stay in an escrow tied to your wallet.
Private beta · Solana & EVM
Sell options.
Sell options.
Get paid first.
Earn premium on the crypto and tokenized stocks you already hold. Write a covered call or a cash-secured put, let professional market makers bid for it, and settle the whole trade onchain in a single transaction.
- 0order books
- 0margin calls
- 1atomic transaction
halcyon · quote
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Covered call
Cash-secured put
Strike
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Expiry
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Size
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DeskPremiumAPR
Request quotes
Idlesample prices
BTCETHSOLxNVDAxAAPLxTSLAxMSFTxGOOGLJitoSOLcbBTC
Three steps, one transaction.
Desks compete
Your request goes out over a live quote channel. Market makers answer within seconds and the highest bid rises to the top.
Settle and earn
Accept a bid. The option is minted and the premium lands in your wallet in the same block. No waiting, no trusting a middleman.
An example
You hold 2 ETH.
You hold 2 ETH.
Here's what one trade looks like.
ETH trades at $2,350 right now. You write a 14-day covered call at a $2,550 strike, and a desk pays you $40 upfront. Two weeks later, one of two things happens.
ETH stays below $2,550
The option expires. You keep your 2 ETH and the $40. Write another one if you like.
ETH rises above $2,550
Your ETH is sold at $2,550 each. You keep the $40 plus the gain up to the strike, but miss anything above it.
Uses the live ETH price; premium is a model estimate. Options carry risk, and premium is never guaranteed.
Self-custody
Collateral sits in an onchain escrow you control, never on a third-party balance sheet.
Pro pricing
Quotes come from the desks that price options for funds, not from a thin liquidity pool.
Multi-chain
One interface for Solana and EVM networks, with an SDK and CLI for builders.
Real-world assets
Tokenized equities sit next to crypto, so the same strategy works across both.
Questions, answered plainly.
What is a covered call?
You agree to sell an asset you own at a set price (the strike) if it rises above that price before a set date. In return, a buyer pays you a fee, called premium, right away.
What is a cash-secured put?
You agree to buy an asset at a set price if it falls below that price. You lock the stablecoins needed to buy it, and you get paid premium upfront for making that promise.
Who pays the premium?
Professional market makers. They bid against each other for your trade, so you see several prices and pick the best one.
Can I lose money?
Yes. With a call, you give up gains above the strike. With a put, you may end up buying an asset that keeps falling. Premium softens this, but doesn't remove it.
When does Halcyon launch?
We're in private beta. Join the waitlist and we'll email you when your spot opens up.
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