9/21 EMA crossover
on NIFTY & BANKNIFTY.
Fastest standard pair. Used for intraday momentum on 5m & 15m.
The 9/21 EMA combination is the most-used fast pair on Indian-index intraday charts. It reacts quickly enough that crossovers print 1–4 times per session on volatile days, which means edge depends entirely on whether the market is trending or ranging — a classic application for a regime filter.
Updated 2026-09-16 04:53 IST ·
Recommended timeframes: 5m, 15m
Live 9/21 state
NIFTY 50
5m
FAST < SLOW
gap -14 bp
last cross: 2026-09-15 10:00 IST
Bearish
· 68 bars ago
15m
FAST < SLOW
gap -26 bp
last cross: 2026-09-15 10:45 IST
Bearish
· 20 bars ago
1h
FAST < SLOW
gap -39 bp
last cross: 2026-08-27 10:15 IST
Bearish
· 104 bars ago
1d
FAST < SLOW
gap -114 bp
last cross: 2026-08-19 00:00 IST
Bearish
· 18 bars ago
15m 9/21 · 30-day whipsaws
3
false signals · 30 calendar days
BANK NIFTY
5m
FAST < SLOW
gap -12 bp
last cross: 2026-09-15 09:45 IST
Bearish
· 71 bars ago
15m
FAST < SLOW
gap -23 bp
last cross: 2026-09-15 10:30 IST
Bearish
· 20 bars ago
1h
FAST < SLOW
gap -30 bp
last cross: 2026-09-15 10:15 IST
Bearish
· 7 bars ago
1d
FAST < SLOW
gap -67 bp
last cross: 2026-09-02 00:00 IST
Bearish
· 8 bars ago
15m 9/21 · 30-day whipsaws
3
false signals · 30 calendar days
Recent 9/21 crossovers
Last 10 crossovers on the 15m timeframe — the most active for this pair on Indian indices.
NIFTY 50 · 15m
-
2026-09-15 10:45
Bearish · 23,338.35
-
2026-09-11 14:00
Bullish · 23,417.15
-
2026-09-04 15:00
Bearish · 23,938.40
-
2026-09-04 10:15
Bullish · 23,963.80
-
2026-09-03 13:00
Bearish · 23,925.95
-
2026-09-02 15:30
Bullish · 23,914.45
-
2026-09-01 13:30
Bearish · 24,034.20
-
2026-09-01 10:45
Bullish · 24,082.00
-
2026-09-01 09:30
Bearish · 24,028.35
-
2026-08-31 15:30
Bullish · 24,080.40
BANK NIFTY · 15m
-
2026-09-15 10:30
Bearish · 56,217.00
-
2026-09-11 13:15
Bullish · 56,334.10
-
2026-09-04 15:00
Bearish · 57,437.35
-
2026-09-04 11:00
Bullish · 57,535.80
-
2026-09-03 15:15
Bearish · 57,380.60
-
2026-09-03 09:15
Bullish · 57,570.95
-
2026-09-01 13:30
Bearish · 57,362.65
-
2026-08-31 14:45
Bullish · 57,437.65
-
2026-08-31 13:45
Bearish · 57,338.10
-
2026-08-31 13:00
Bullish · 57,419.85
5-year backtest of the 9/21 regime classifier — daily
For each historical day, we classify the regime under 9/21 EMAs (Trending Bull / Trending Bear / Ranging),
then measure the next day's close-to-close return. Win-rate and t-stat below tell you whether the regime call has predictive value
when this specific pair is used.
NIFTY — 9/21
2021-06-08 → 2026-09-10 · 1302 days
| Regime | N |
Mean fwd 1d | Win% |
t-stat |
| Trending Bull |
571 |
+0.033% |
55.7% |
1.13 |
| Trending Bear |
341 |
+0.006% |
49.0% |
0.11 |
| Ranging |
390 |
+0.059% |
51.5% |
1.28 |
BANKNIFTY — 9/21
2021-06-08 → 2026-09-10 · 1301 days
| Regime | N |
Mean fwd 1d | Win% |
t-stat |
| Trending Bull |
554 |
+0.031% |
50.9% |
0.77 |
| Trending Bear |
329 |
+0.000% |
54.4% |
0.0 |
| Ranging |
418 |
+0.089% |
53.8% |
1.79 |
Compare with other EMA pairs
9/21 EMA Crossover FAQ
What is the 9/21 EMA crossover?
The 9/21 EMA combination is the most-used fast pair on Indian-index intraday charts. It reacts quickly enough that crossovers print 1–4 times per session on volatile days, which means edge depends entirely on whether the market is trending or ranging — a classic application for a regime filter.
Which timeframe works best for the 9/21 EMA pair?
On Indian indices, the 9/21 pair is most commonly used on 5m, 15m charts. Pair selection should match the holding period — faster pairs for intraday, slower pairs for swing and position trades.
Is a single EMA crossover enough to trade on?
No. Standalone crossovers whipsaw heavily in ranging markets. Pair the cross with a regime filter and the multi-timeframe alignment table — both available live on emaindicator.com — to lift expectancy.