BA strangle: the breakevens nobody quotes

Both legs are pure extrinsic value, so the strangle is a leveraged bet that BA travels further than 34% implied vol says it will over 27 days. Between the strikes at expiry, both expire worthless and you lose the entire $647.

The payoff is a valley: flat max loss between $205 and $230, then linear gains once past the breakevens at $198.53 and $236.47. Max profit is unlimited.

Compared with the straddle at the same expiry, you pay less and need more. That is not a free improvement — it is a different bet, with a lower probability of profit (34% here) and a bigger multiple when it works.

Gamma is lower than a straddle's while the stock sits between the strikes, so the position responds sluggishly to the first part of a move and then accelerates. Traders consistently underestimate that lag.

Max loss $647 is the base case, not the tail. The stock finishing anywhere between $205 and $230 — the range it spends most of its life in — wipes out the position.

Double theta with no offset: two long options bleeding simultaneously. Over 27 days that decay is the single largest determinant of the outcome if the move is late.

Implied vol can fall while the stock moves. Long-vol structures lose money in that scenario despite the thesis technically working, which is the single most common way these trades disappoint.

One of the few large caps where owning vol without a dated catalyst is defensible: the headlines that move this stock do not appear on a calendar, so a long strangle is a bet on the arrival rate of news rather than on a specific print.

BA's Aug 28 strikes are $5 apart near the money (2.31% of spot). On a ladder that wide, "pick the 0.30 delta strike" resolves to whichever rung happens to be closest — sometimes not close at all. 5.8k contracts of open interest on Aug 28 is thin, and a structure that needs four separate fills will pay for it. 15 strikes on that expiry — 36% of the board — carry prints that agree with their own implied volatility and hold up across the ladder, and those are the strikes priced here. Adequate but not deep; the usable ladder is short, and wide condors here are wider than the book really supports.

The surface is close to flat: only 1.1% between the 25-delta put and the 25-delta call. With so little skew, the wings on either side cost about the same in vol terms — unusual, and worth exploiting if your view is one-sided. The term structure is flat inside 1.5% between the two captured expiries, so there is no calendar edge to harvest and no event visibly priced into one month over the other.

At 34% ATM implied vol, the Aug 28 options are pricing a one-standard-deviation move of $20.15 over 27 days — roughly −9.3% to +9.3%, or $195.99 to $236.29. That is the number the long-vol trade above has to beat — not match. Breakevens sit outside it by construction, because you paid the spread as well as the vol.

The mistake this name punishes hardest: Assuming the risk lives on the earnings date. On Boeing it lives on every date.