The iron condor is the structure that lets a seller's book harvest theta in a defined-risk, defined-reward package. When the journal needs to express the view "the underlying will stay roughly here until expiry," the condor is the canonical expression. The 2026-07-10 XSP trade in the trade-log is the working example.
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The Structure
The condor is two verticals stacked together — a short put vertical below the market and a short call vertical above. All four legs share the same expiration.
| Leg | Action | Strike | Role |
|---|---|---|---|
| Long put | BUY | Lower wing | Caps downside risk |
| Short put | SELL | Above long put | The "body" of the put wing |
| Short call | SELL | Above spot | The "body" of the call wing |
| Long call | BUY | Higher wing | Caps upside risk |
For a 0DTE XSP 580/581.5 condor at the 580 strikes with 12 days to expiry:
- Credit: $0.45 per spread × 2 wings × 100 = $90 per condor
- Max loss (one side tested): width × 100 − credit = $150 − $90 = $60 per condor (occurs if either short strike is breached)
- Width: 1.5 points on each wing (chosen so the short strikes sit at the ±1σ expected move)
- Breakevens: short put strike − $0.90 (downside BE) ; short call strike + $0.90 (upside BE)
- Theta: net positive across both wings (~−$15/day at this DTE)
- Vega: net negative (the condor wants IV to fall after entry)
Why this structure over the alternatives
Compared to a strangle or single short vertical, the condor has two structural advantages and one structural cost:
- Advantage 1: Defined risk on both sides. A naked short strangle has unbounded risk on at least one side. The condor caps each side at the wing width.
- Advantage 2: Theta is collected at two strikes, not one. Every day the underlying stays inside the range, theta works twice — once for the put wing, once for the call wing.
- Cost: The credit received is lower per dollar of width than a strangle (the long wings eat into the credit). The trade-off is the cap on the maximum payout.
Entry criteria (Playbook-aligned)
Condors are sensitive to IV regime and to expected move pricing. The entry checklist:
- [ ] IV rank ≥ 25 — the condor needs elevated vol to pay. In low-IV regimes, the credit does not justify the wing width.
- [ ] Expected move model: short strikes are placed roughly at ±1σ of the option-strat oracles of the chosen DTE (or a 1-standard-deviation recent move estimate).
- [ ] DTE 14-45 for swing condors (held through the duration); 0-1 DTE for intraday income variants.
- [ ] Wing widths equal — typically the put width equals the call width. Asymmetric wings change the breakeven geometry and the P&L tail.
- [ ] Sizing: max loss per condor must respect Section 1 of the Playbook (0.25% NLV default).
- [ ] Earnings / FOMC calendar: avoid entries within 5 days of a major catalyst. IV expansion after the event can blow through one or both wings before the thesis has time to play.
Management rule
The condor's theta decays fastest in the final 14 days. The management rules:
- At +50% of credit: close the trade. Theta is now working against the remaining 50%. The risk/reward of holding is no longer asymmetric.
- At +25% of credit: close one wing. Take the higher-conviction side off the table; leave the weaker side running with partial exposure.
- At 7 DTE: if not closed, the trade is now in gamma-acceleration territory. Either close, or roll the threatened wing out in time for a net credit.
- One wing breached but expires OTM (came back inside): close the winning wing for profit, then the threatened wing at the close. Holding the threatened wing into expiry is the highest-skull move in the playbook.
The 2026-07-10 XSP trade in the journal closed at +52% of credit on day 7, which is the canonical good outcome.
Failure modes
- Condor through an event. Selling an XSP condor the day before CPI (or any vol-expansion catalyst) is asking for the long wing on one side to be tested and stay tested through expiry. The thesis ("the market will stay inside ±1σ") ignores the asymmetric risk of event-day gaps.
- Wings too tight for the regime. Selling a 1-point XSP condor in a regime that trends $5 a day means one wing will be tested. The 50%/2x rule from the Playbook is the only thing that saves the trade from a max loss.
- No +50% management discipline. Closing at +25% on day 4 because "it might go higher" leaves the trade to theta-decay the credit back. The management rule is not optional; it is part of the structure.
- Rolling into a worse position. A losing wing is rolled by closing the threatened wing and opening a new one further out. Rolling through the short strike of the same wing is a small loss expanded into a bigger one.
When this appears in the trade-log
The 2026-07-10 XSP iron condor is the working example. Pattern: short-term IV rank uptick, range-bound tape, closed at +52% of credit on day 7.
Disclosure: This page is educational material drawn from a working trading journal. It is not investment advice. Options trading involves substantial risk, and the condor's defined-risk package is not a guarantee against loss. Discuss any strategy with a qualified professional before risking capital. We use OptionsStrat to visualize these structures.