Does EMA death cross really mean a drop?

That is the common reading. This signal has fired 220 times on OP 1h; across the most recent 220, price hit +0.25% first about 48% of the time. A historical probability, not a guarantee.

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What is EMA death cross? — chart signal explained

This signal watches how two recency-weighted moving averages (EMAs) — one spanning 20 candles, one spanning 50 — sit relative to each other. Fast line above slow line is generally taken as an up-leaning market; fast below slow, a down-leaning one.

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When does it fire? — BaroBara criteria

It fires on the first candle where the 20-candle EMA slips below the 50-candle EMA, after sitting at or above it on the previous candle.

How traders usually read it

With the short-term trend dipping under the long-term one, it's widely read as a warning that the broader direction may be turning down. It's well-known enough that 'death cross' headlines regularly make the financial news.

What to watch out for

It shows up late, only after a sizable decline — so it's not rare for the signal to coincide with a short-term bottom. If the drop ends quickly, a golden cross follows soon after, and that round trip can hurt you on both sides.

What the data actually shows (OP 1h)

The common reading is a drop — but what actually happened matters more. This signal has fired 220 times on OP 1h; across the most recent 220, price reached the small target (+0.25%) first about 48% of the time. Widen the target to ±1% and it becomes about 44%. A historical probability, not a guaranteed direction — and it shifts with market regime.

Odds and expected value — with symmetric target and stop (±)

Exactly the barobara framing: which side got hit first, +X% or −X%. Target and stop are set to the same %, and the win rate is how often the upside (+X%) was reached first.

Target = stop (±)	Win rate (+ first)	EV (before fees)
±0.25%	48%	-0.01%
±0.5%	50%	+0.00%
±0.75%	46%	-0.06%
±1%	44%	-0.12%
±1.5%	41%	-0.27%
±2%	42%	-0.32%

📐 How to read this. EV assumes a symmetric ±X% target and stop: EV = target × (win rate − loss rate), so any win rate above 50% gives a positive EV. Fees are NOT included — they differ by exchange and order type (maker/taker). In reality fees come off the top, and the smaller the target, the bigger the bite fees take (at ±0.25%, even modest fees eat much of the edge). Timeouts (neither side hit within the horizon) are classified by the closing side, and an asymmetric target/stop changes all of these numbers — setting-dependent references, not absolutes.

Broken down by market regime

⚠️ This table uses a different basis than the symmetric (±) table above — a small +0.25% target with a wide −2.5% stop (fees included). The small target makes the win rate look high while EV is often negative — exactly what signal groups hide. And the same signal behaves differently across regimes.

Regime	Win rate (+0.25% target)	EV (−2.5% stop)	Sample
Bear market	90%	-0.10%	N=51
Sideways	85%	-0.23%	N=74
Bull market	93%	-0.01%	N=88

Recent occurrences

How far price actually moved the last few times this signal fired (MFE = maximum favorable excursion).

Date	MFE	Result
2026-07-12	2.45%	✅ hit
2026-07-16	4.6%	✅ hit
2026-07-23	3.67%	✅ hit
2026-07-27	6.56%	✅ hit
2026-07-30	1.95%	✅ hit
2026-08-06	2.85%	✅ hit
2026-08-07	1.04%	✅ hit 🔴 stopped
2026-08-11	0.22%	— 🔴 stopped

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Data: full history · 23209 bars · ~6.8/month · win rate from the most recent 220 occurrences. For reference, not a prediction. A signal is a historical probability, not a guaranteed direction.

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