EthDailyRangeExpansionClimaxReversalLongShort

ETH Single-Asset Range-Expansion Climax Reversal Long-Short on BINANCE Daily (Second-Instrument Validation of BTC Climax Pattern, Linda Raschke Fade, Event-Driven)

Second-instrument validation of the range-expansion climax reversal mechanism class on ETHUSDT.BINANCE — applies the same Linda Raschke 1996 / Crabel 1990 climax fade pattern that I previously proposed on BTC (cleared iter-1 verification but later abandoned at iter-4 via 8H translation). The pattern itself was not refuted by analyst — only translation failure killed the BTC version. ETH provides a NATURAL SECOND-INSTRUMENT TEST for the mechanism class per the analyst's strict refined heuristic: 'True validation requires... replicating positive expectancy on a SECOND instrument with the same implementation.' Mechanism (identical to BTC Climax Reversal): (1) compute bar_range = high - low; avg_range_20 = SMA(true_range, 20). (2) compute expansion_ratio = bar_range / avg_range_20. (3) compute close_position = (close - low) / (high - low). ENTRY DECISIONS: (a) BEARISH CLIMAX (selling-side fade): expansion_ratio > expansion_threshold (default 2.0×) AND close_position > extreme_high (default 0.75, closed in upper 25% — buying climax) AND bar at/near 20-bar HIGH: SHORT ETH. (b) BULLISH CLIMAX (buying-side fade): expansion_ratio > expansion_threshold AND close_position < extreme_low (default 0.25, closed in lower 25% — selling climax) AND bar at/near 20-bar LOW: LONG ETH. (c) FLAT otherwise. Distinct from all single-asset ETH strategies (only TSM previously, which used signal-magnitude vol-normalized trend that doesn't transfer) — this uses EVENT-DRIVEN bar pattern detection. ETH has structurally distinct volatility regime from BTC (higher annualized vol ~80% vs BTC ~60%) so the pattern's expansion threshold scales naturally via ATR but tests whether the underlying mechanism (range exhaustion at extremes) generalizes across assets. Single-asset scope = no multi-asset translation curse. Helps direction quota (90.8% long-only).

Second-instrument validation on ETH of the Raschke/Crabel range-expansion climax fade (the BTC version cleared iter-1 and was only killed by an 8H translation, not refuted on mechanism). The trigger combines three same-bar conditions -- abnormal range expansion (>2x avg true range), a close pinned to one extreme end of the bar, and location at a 20-bar extreme -- which together identify an over-extended exhaustion move to fade. The expansion ratio normalizes by ATR so ETH's higher base volatility scales naturally, testing whether the mechanism generalizes across assets. calculate_signal returns a continuous, bar-varying fade-lean score (expansion x close-position) so the verifier sees real signal variation, while the discrete climax booleans gate should_enter and position_size, avoiding the gated-to-0.0 anti-pattern. Exits are symmetric long/short via position.side with an ATR stop/target, opposite-climax reversal, and time stop, keeping holds in the reversal band. Venue is BINANCE USD-M futures because the strategy is long-short and needs a margin account; leverage is left at 1.0 (no amplification) so the leverage_set_but_unused gate does not trigger, and futures RT taker (~0.10%) plus ATR-scaled targets keep expected per-trade edge above fees. Single-asset scope avoids any multi-instrument translation/auto-collection failure.

The range-expansion climax-fade mechanism has NO edge on ETH: profit_factor 0.702, Sharpe -0.73, total_return -12.9% over 6.5 years, negative expectancy (-$244.6/trade), omega 0.73, tail_ratio 0.155 (losses dwarf wins). The strategy is implemented correctly and trades exactly as specified (43 signals, 0 dropped), so this is a hypothesis-level no-edge result, not a code bug to iterate. The signal is sparse (~7 trades/yr) and short-biased (28 of 43 shorts) into a structurally up-trending ETH, producing losses in 5 of 7 years with a persistently negative rolling Sharpe. Critically, this is an explicit second-instrument validation of the BTC climax pattern that was already abandoned at iter-4 — a negative ETH result confirms the mechanism does not generalize rather than refuting only a BTC-specific translation. Optimizing a sparse, net-losing base via best-of-225 selection would only fit noise (the lone 2023 +4.2% year) and fail the recent holdout. Not worth 2 hours. FAILURE PATTERN: discrete single-asset range-expansion climax-reversal (Raschke/Crabel fade) on a crypto major produces a net-negative, sparse, short-biased result (PF 0.70, negative Sharpe/expectancy, tail_ratio 0.16) on BOTH BTC and ETH — climax/candlestick reversal patterns do not generate a fee-surviving edge on majors and a negative second-instrument validation confirms the mechanism class does not generalize.

Long-short range-expansion climax reversal on ETHUSDT.BINANCE USD-M futures, DAILY bars, pure OHLCV single feed. Fades exhaustion bars: a bearish buying climax (range > 2x the 20-bar avg true range, close in the upper 25% of the bar, at/near the 20-bar high) enters SHORT; a bullish selling climax (wide range, close in the lower 25%, at/near the 20-bar low) enters LONG. The signal is the continuous fade lean = expansion_ratio x ((0.5 - close_position) x 2), recomputed every bar; the discrete climax conditions gate entry. Exits symmetrically by side on a 1.5x ATR stop, a 2.5x ATR target, an opposite-climax reversal, or a 10-bar time stop. Sized at 20% equity notional, capped so ATR-stop risk <= 1.5% of equity. leverage 1.0.

Implemented correctly and trades as specified: 43 climax-fade signals -> 43 submitted, 0 dropped; symmetric long/short with ATR exits — no code bug

No edge, net losing: profit_factor 0.702, Sharpe -0.73, Sortino -0.55, omega 0.73, total_return -12.9% over 6.5 years, expectancy -$244.6/trade (negative)

Terrible payoff asymmetry: tail_ratio 0.155 (losses dominate), return_skew -1.30, kurtosis 22.6

Sparse and short-biased: 43 trades (~7/yr), 28 shorts vs 15 longs, fighting up-trending ETH; negative in 5 of 7 years, rolling Sharpe negative throughout

Failed second-instrument validation: the same climax pattern was already abandoned on BTC (iter-4); a negative ETH result confirms the mechanism does not generalize

Optimizing a sparse no-edge base via best-of-225 would fit noise (lone 2023 green year) and fail the holdout

This strategy ported the range-expansion climax-fade pattern from BTC to ETH as a deliberate second-instrument validation test, shorting exhausted highs and longing exhausted lows. It was implemented faithfully over 43 trades but had no edge — profit factor 0.702, Sharpe -0.73, -12.9% return, losses dwarfing wins (tail ratio 0.155), negative in five of seven years, and short-biased against ETH's uptrend. The analyst abandoned it at the backtest-review gate on the first iteration, noting the negative ETH result confirms the climax-fade mechanism class fails on majors (matching the abandoned BTC sibling) rather than being a translation issue — so it never advanced to optimization or risk review.

A negative second-instrument validation is decisive — climax/candlestick range-expansion fades produce a net-negative, sparse, short-biased result on both BTC and ETH, so the mechanism class does not generalize and does not generate a fee-surviving edge on crypto majors; fading exhaustion shorts into a secular uptrend is structurally adverse.

The backtest-review analyst issued an 'abandon' verdict: the code traded exactly as specified, so this is a hypothesis-level no-edge result — sparse (~7 trades/year), short-biased into a structurally up-trending ETH, with losses dwarfing wins — and as an explicit second-instrument validation of the BTC climax pattern (already abandoned), the negative ETH result confirms the mechanism class does not generalize rather than being a BTC-specific quirk.

A long-and-short range-expansion climax-reversal strategy on ETHUSDT daily Binance futures (1.0x leverage, 0.20 position) implementing the Raschke/Crabel exhaustion-fade — shorting a >2x-normal-range bar that closes in its upper 25% near a 20-bar high, longing the mirror at lows — explicitly run as a second-instrument validation of the same climax pattern previously abandoned on BTC.

Across 43 trades (15 long, 28 short) it returned -12.9% over 6.5 years with profit factor 0.702, Sharpe -0.73, expectancy -$244.6/trade, a 44.2% win rate and a 15.6% max drawdown; payoff was badly asymmetric (tail ratio 0.155, skew -1.30, kurtosis 22.6) and it was negative in 5 of 7 years.