IBKR EVENT-CONTRACT COMPARISON — ORIGINAL BLANK CHECKLIST

Broker entity / country / account permissions:
Observation timestamp:
Exact exchange and instrument identifier:
Event question / outcome / measurement period:
Resolution source and settlement terms:
Trade deadline / result time / expected payout timing:

Intended quantity:
Executable levels and available quantities:
Broker fee:
Exchange fee:
Other account charges / taxes / unknown amounts:
Actual order estimate:
Coupon eligibility and actual payments, if applicable:
Early-close mechanics and separate closing costs:

Post-order: distinguish open orders, fills and positions.
Save execution records; do not treat a chart price as a full-size quote.
Compare identical contract terms before comparing totals.
Do not treat missing values as zero or this checklist as permission approval.