optionsday-tradingintermediate

Your stop belongs where the idea breaks

An ATR stop measures how far price usually wiggles. A support or resistance stop marks where your trade idea is wrong. For options day trades, let the level decide. ATR still earns a place as a check on the numbers.

An ATR stop knows the noise but not your trade

An ATR stop is a distance, and a level stop is a place. ATR, the average true range, tells you how far price typically travels in one candle. Multiply it by one or two, subtract it from your entry, and you have a stop.

That stop doesn't know where the chart is. It might land a few cents above a support level, right where price tends to test before bouncing. It might land deep inside a zone where nothing is decided. The distance is reasonable for the noise. The location is an accident.

Options make the accident expensive. Premium decays while you wait, so a stop hit on a normal test costs you twice. You pay the loss. Then you watch the move happen without you, on a contract you'd have to rebuy higher.

A level stop sits where the idea is wrong

A support or resistance stop starts from the reason for the trade. If you buy calls because price is holding above a level, the trade is wrong when price closes below it. That's the stop.

Draw the levels from your daily, 4-hour and 1-hour charts before the session. Use the extremes of clear candle patterns and the edges of price gaps. Then the stop was on the chart before you entered.

Trigger it on a candle close beyond the level, not on a wick. A wick that pokes through and snaps back left the idea intact. The honest catch is execution. A resting stop order at your broker fires on the wick, so a close rule means watching the chart. If you can't, keep a resting order a bit further beyond the level as a backstop.

The same trade with both stops

Run one made-up trade both ways. You buy calls with the underlying at 412.40, just above support at 411.80. The next resistance, your target, is at 413.80.

The level stop is a close below 411.80. That's 0.60 of risk for 1.40 of reward, or 2.33 to one. The trade clears the two-to-one minimum.

Now use two times a 5-minute ATR of 0.45. The stop drops to 411.50, which is 0.90 of risk. The same 1.40 target now pays 1.56 to one, below the minimum. One times ATR puts the stop at 411.95, above the support. A normal test of the level would hit it. The level stop was the only version that both made sense and paid enough. ATR measured the noise correctly. Its stops simply ignored where the level was.

2.33 to 1
Level stop: 0.60 risk, 1.40 reward
1.56 to 1
2 x ATR stop: 0.90 risk, 1.40 reward
above the support level
1 x ATR stop at 411.95

Where ATR still helps: a sanity check

ATR is a poor place to put a stop but a useful number to know. Use it to question the trade before you take it.

First, compare your level stop with ATR. If the stop is a small fraction of one average candle, ordinary movement will close beyond it often. That doesn't make the level wrong. It may mean waiting for price to get closer, or using a slower entry chart.

Second, compare the target with ATR. If the target sits five average candles away and you hold a same-day contract, the move has to start fast. Decay won't wait for a slow grind. When both checks look fine, the level stop stands and ATR has done its job. When either fails, the answer is usually to wait for a better entry, not to move the stop.

Size from the stop, never the reverse

Once the level sets the stop, the stop sets the size. The further your entry sits from the level, the fewer contracts you buy.

The usual mistake runs the other way. You decide on five contracts, then pick a stop that keeps the loss tolerable. That's how stops end up in the middle of nowhere. The chart didn't choose that price. The account balance did.

For options, estimate what the contract would be worth if the underlying reached your stop. Your broker's option chain or analysis tool can show that. Divide your fixed dollar risk by the expected loss per contract. If the answer is less than one, the entry is too far from the level. Wait for price to come back, or pass.

Setting the stop, step by step

Do this before the order ticket opens.

  • Mark support and resistance on the daily, 4-hour and 1-hour charts.
  • Find the level that, if broken on a close, makes the trade wrong.
  • Set the stop as a candle close beyond that level.
  • Mark the target at the next level in the trade's direction.
  • Check the target pays at least twice the risk to the stop.
  • Compare the stop distance with one candle of ATR.
  • Compare the target distance with ATR and your contract's expiry.
  • Estimate the option's loss per contract at the stop price.
  • Divide your fixed dollar risk by that loss to get the contract count.
  • Decide how you'll act on the close: watched chart or a backstop order.

Frequently asked questions

For level-based day trades, the support or resistance stop, because it marks where the idea is wrong. ATR is better used to check whether that stop and target are realistic.

There's no correct number; it's a setting you choose. If you use an ATR stop at all, check where it lands against the nearest level before entering.

On a close beyond the level. A wick through and back leaves the idea intact. Acting on closes means watching the chart or keeping a wider backstop order.

Size your stop with TraderLog's free calculators

The free position size and risk to reward calculators take your entry, stop and target and do the arithmetic. In TraderLog, trade replay marks your fills on a TradingView chart, so you can see where each stop actually sat.

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