Program reference

Anchor program today. Amounts: xStock in raw units (8 decimals), USDC in 1e-6 units, prices in 1e-8 USD per share, ratios in fixed point with 1e12 = 1.0.

Instructions

Instruction	Arguments	Accounts	Who calls it
`init_config`	none	authority, config, program, program_data, today_mint, pool, burn_authority, burn_today, today_token_program, associated_token_program, system_program	The upgrade authority, once at launch
`create_market`	none	payer, stock_mint, market, stock_vault, usdc_vault, burn_authority, burn_usdc, usdc_mint, token_program, token_2022_program, associated_token_program, system_program	Anyone, for a listed mint
`deposit`	`amount: u64`	owner, market, position, stock_mint, owner_stock, stock_vault, token_2022_program, system_program	A holder, while no day is live
`withdraw`	`shares: u64`	owner, market, position, stock_mint, owner_stock, stock_vault, token_2022_program	A holder, while no day is live
`claim_premium`	none	owner, market, position, owner_usdc, usdc_vault, usdc_mint, token_program	A holder
`open_day`	`ny_day: i64`	opener, market, day, price_update, system_program	Anyone, during the session
`buy_call`	`strike_index: u8, quantity: u64, max_cost: u64`	buyer, market, day, ticket, stock_mint, price_update, buyer_usdc, usdc_vault, usdc_mint, token_program, system_program	A trader, until ten minutes before the close
`settle_day`	none	market, day, price_update, usdc_vault, burn_usdc, burn_authority, usdc_mint, token_program	Anyone, with the closing update
`void_day`	none	market, day	Anyone, an hour after an unsettled close
`claim_call`	none	market, day, ticket, owner, stock_mint, owner_stock, stock_vault, owner_usdc, usdc_vault, usdc_mint, token_program, token_2022_program	The ticket's owner, after settlement or void
`close_day`	none	market, day, opener	Anyone, once every ticket is claimed
`burn`	`amount: u64`	config, burn_authority, burn_usdc, burn_today, today_mint, usdc_mint, pool, amm_config, pool_authority, usdc_pool_vault, today_pool_vault, observation, token_program, today_token_program, raydium_program	Anyone

Events

Event	Fields
`DayListed`	market, day, close_ts, listed_price, vol, strikes, cover
`CallBought`	market, day, buyer, strike, quantity, spot, multiplier, premium, fee
`DaySettled`	market, day, price, publish_time, payout, premium, fee, variance
`DayVoided`	market, day
`Burned`	usdc_in, today_burned, twap_out

Constants

Name	Value	Meaning
`STRIKES`	5	Strikes per day
`SALES_CUTOFF_SECS`	600	Sales stop this long before the close
`SETTLE_TWAP_SECS`	900	The 4 pm price is the pool's mean price over this many seconds before the close
`PRICING_TWAP_SECS`	600	Listing and buying use the higher of the pool's price now and its mean over this window
`VOID_AFTER_SECS`	3,600	One hour: the pool forgets the settlement window about 25 minutes after the close
`VOL_MARKUP`	1.10	Volatility charged over the estimate
`MIX_WILD_WEIGHT`, `MIX_WILD_SCALE`	0.10, 2.5	The fat-tail mixture
`VAR_DECAY`	0.94	Daily variance EWMA decay
`VAR_LEARN_MIN_REMAINING`	0.5	A day must be listed with half its variance ahead to teach the estimate
`VAR_SAMPLE_CAP`	0.04	Cap on one day's squared move
`FEE_BPS`	1,000	Fee on top of the premium, all burned
`BURN_MAX_USDC`	1,000 USDC	Most one crank call spends
`BURN_MAX_POOL_BPS`	10	Most one crank call spends, as a share of the pool's USDC (0.1%)
`BURN_MIN_OUT_BPS`	9,800	Minimum swap output against the TWAP (98%)
`BURN_TWAP_SECS`	1,800	TWAP window