Ewan Li

SPCH · S-C C1 iron butterfly, exploration

Opened Oct 2, 2026, in MA.

The trade

Account
MA
Book
exploration
Symbol
SPCH
Asset class
option structure
Side
short
Exposure
neutral
Status
open
Closed
—
Quantity
1
Entry price
1.967576
Exit price
—
Exit by
—
Book value at entry
—
Record GitHub ledger
Cost model

half of each leg's spread plus $0.65 a contract at entry, the spread quoted from 15:00 to 16:00 ET or, for a wing priced by model, the stock's median option spread over the 20 sessions before, at least 5%; nothing at expiry

Entry and exit

RoleDateAt (ET)SideQtyAskedPriceRule's priceCloseSlippageAgainst the closeHowWhyThe rule's numbers
entryOct 2, 2026—sell1—1.967576————late windowF1
4 trigger numbers
rank
null
verdict
F1
cap_pass
true
cap_reason
null
13 numbers
k
11
k_dn
5.5
k_up
16.5
close
11.08
iv30d
0.872456221922099
sector
null
dte_cal
28
marketcap
null
sigma_hold
2.6774168238545237
mean_spread
0.18802796060606058
model_entry
true
entry_cost_usd
23.414592364953762
entry_tier_max
3

Legs

ContractRightStrikeExpirySideQtyEntryExitFacts
SPCH261030C00011000call11.00Oct 30, 2026short11.024—
4 numbers
exit_tier
null
entry_tier
1
entry_source
print_vwap
entry_spread
0.23370246666666666
SPCH261030P00011000put11.00Oct 30, 2026short11.068182—
4 numbers
exit_tier
null
entry_tier
1
entry_source
print_vwap
entry_spread
0.14235345454545453
SPCH261030C00016500call16.50Oct 30, 2026long10.069363—
4 numbers
exit_tier
null
entry_tier
3
entry_source
model
entry_spread
0.2
SPCH261030P00005500put5.50Oct 30, 2026long10.055243—
4 numbers
exit_tier
null
entry_tier
3
entry_source
model
entry_spread
0.2

Notes

variant
C1
risk_usd
353.2423929476093
graded_at
null
policy_id
sc-1.0
structure
IB
max_loss_usd
353.2423929476093
stress_loss_usd
null