Wheel mechanics
Cash gone, shares in. Here is precisely what changed, what your position actually cost you, and how to choose the next step without locking in an avoidable loss.
Assignment is the part of the wheel most people meet unprepared. You sold a put, the stock fell through your strike, and now there is stock in your account and cash gone from it. Nothing has gone wrong — this is the mechanism working as designed — but what you do in the next few days decides whether the cycle ends well.
When you sell a cash-secured put you take on an obligation: if the buyer exercises, you must buy 100 shares per contract at the strike. In exchange you were paid a premium, and your broker reserved strike × 100 × contracts in cash as collateral.
If the put is in the money at expiry it is normally exercised automatically. On assignment three things happen at once: the reserved cash leaves, 100 shares per contract arrive, and the option disappears from your account. The premium you collected was yours from day one and stays yours.
Your broker will show a cost basis of $385/share — the strike. That is correct for tax, but it overstates what the position actually cost you, because it ignores the premium.
Your effective basis is the strike minus all the premium per share you collected getting there:
effective basis = assignment strike − total premium per shareThat difference is the whole point of the wheel. The stock closing at $378 looks like an immediate loss against the $385 strike; against the $378.60 you effectively paid, you are close to flat. Track both, because they answer different questions: the broker basis governs your tax lot, the effective basis tells you whether the cycle is working.
American-style options can be exercised any time, but early assignment on a put is uncommon and not random. It becomes likely when the put is deep in the money and its remaining time value is close to zero — at that point the holder gains nothing by waiting. The classic trigger on the call side is an upcoming dividend, where an in-the-money call holder exercises to capture it.
Practically: if your short put is deep in the money with little extrinsic value left, treat assignment as possible on any day, not just expiry.
Assignment is a fork, not an ending. You have three honest options, and the wheel only prescribes the first.
Sell covered calls. The standard continuation. One call per 100 shares, struck above your effective basis so that being called away is a win. This is where most of the wheel's income comes from.
Hold the shares uncovered. Legitimate if you think the stock recovers and you would rather not cap the upside. You collect no premium while you wait, and your capital is fully committed.
Sell the shares. Take the loss or gain and redeploy. Not a failure — if the reason you were willing to own the stock no longer holds, continuing to sell calls on it is just a slower exit.
Selling a covered call at a strike below your effective basis. It feels productive — premium arrives — but if the stock rallies through that strike you are forced to sell at a price that locks in a loss on the shares, and the call premium rarely covers it.
The rule that avoids it: never sell a call below your effective basis unless you have consciously decided to exit at a loss and the premium is your compensation for doing it.
Assignment is where most spreadsheets break. The put row closes, a stock row appears, and the link between them is gone — so the premium that lowered your basis is stranded in a different row from the shares it applies to. When you later sell calls and get called away, the return you compute is for a stock trade, not for the wheel cycle that produced it.
Keep them stitched. One cycle runs from the put you opened, through every roll, the assignment, every covered call, and out the other side when the shares leave — and the return is that cycle's total profit divided by the collateral it committed. That is the number worth comparing against buy-and-hold.
Yes. Premium is yours the moment the trade fills and is never returned. Assignment obliges you to buy the shares at the strike, nothing more.
You can close the put by buying it back, or roll it to a later expiry, at whatever the market charges — usually a debit once it is deep in the money. You cannot refuse assignment once it happens.
Not by itself. It means you bought the stock at the strike. Whether that is a loss depends on the price versus your effective basis — the strike minus the premium you collected.
Your broker records the strike. Your effective basis, which is what matters for deciding your next covered call, is the strike minus total premium per share collected in the cycle.
Uncommon, and driven by economics rather than chance. It becomes likely when the option is deep in the money with almost no time value left, or on the call side just before a dividend.
Stop losing the thread at the first roll. Wheel Ninja stitches every put, roll, assignment, call and share sale into one cycle and scores the return on the collateral it actually tied up.
Open the live demo — no signupEducational only. Nothing here is investment, financial, legal or tax advice, and none of it is a recommendation to trade. Figures are worked examples, not forecasts. Verify against your broker before acting.