# NFXS Tracking Error: Up vs Down Days

> Over the 90 days to Nov 4, 2026, NFXS missed minus one times NFLX's daily return by 6.7 basis points a day on average, on its closing price.

Data as of Nov 4, 2026. Rebuilt every trading night.

As of Nov 4, 2026 . Rebuilt every trading night.

## NFXS daily tracking

Over the 90 days to Nov 4, 2026, NFXS missed minus one times NFLX's daily return by 6.7 basis points a day on average, on its closing price.

| Window | Read on | Average daily miss, bp | Signed average, bp | Tracking error | Up days, bp | Down days, bp | Up less down, bp | Confidence |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 30 days to Nov 4, 2026: 15 of 22 days, from Oct 7, 2026 | NAV | 3.4 | +3.0 | 0.41% | +2.9 (7 days) | +3.1 (8 days) | −0.2 | Not enough days |
| 30 days to Nov 4, 2026, 22 daily returns | closing price (stated) | 7.1 | +1.4 | 1.52% | 0.0 (12 days) | +3.1 (10 days) | −3.2 | Not significant (t −0.8) |
| 90 days to Nov 4, 2026, 63 daily returns | closing price (stated) | 6.7 | +2.3 | 1.38% | +1.6 (27 days) | +2.8 (36 days) | −1.2 | Not significant (t −0.5) |
| 180 days to Nov 4, 2026, 124 daily returns | closing price (stated) | 7.1 | +2.5 | 1.39% | +1.2 (53 days) | +3.4 (71 days) | −2.3 | Not significant (t −1.4) |
| 1 year to Nov 4, 2026, 251 daily returns | closing price (stated) | 7.3 | +2.5 | 1.42% | +1.6 (114 days) | +3.3 (137 days) | −1.7 | Not significant (t −1.5) |

### NFXS's largest daily misses

The 5 days NFXS strayed furthest from its daily target in the 1 year to Nov 4, 2026, each on its NAV where ETFIQ holds it, else its closing price.

| # | Day | Read on | NFLX moved | Target | NFXS returned | Miss |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | Mar 2, 2026 | closing price | +0.88% | −0.88% | −0.61% | +0.27 pts |
| 2 | Nov 24, 2025 | closing price | +2.55% | −2.55% | −2.29% | +0.26 pts |
| 3 | Jan 2, 2026 | closing price | −2.95% | +2.95% | +3.17% | +0.22 pts |
| 4 | Jun 22, 2026 | closing price | −5.82% | +5.82% | +6.04% | +0.22 pts |
| 5 | Sep 18, 2026 | closing price | −4.67% | +4.67% | +4.90% | +0.22 pts |

### Method

The daily miss is NFXS's return each day less minus one times NFLX's return that day. A basis point is a hundredth of a percentage point. Each window is read twice where ETFIQ holds both NAVs: on NAVs, and on closing prices. It is stated on the closing price because NAVs for 15 of the 63 sessions. NFXS ranks 9 of 34 1x inverse ETFs on its 90-day average daily miss. Up days and down days split the miss by whether NFLX rose or fell; Significant means the gap is at least two standard errors from zero. The average miss carries its sign: a negative one is what the fund kept below its target each day, its fees and financing among it. Not every fund here has traded for a year, and a number over eight months does not order against one over twelve. This page lists each fund with its window and dates instead of ranking them. It becomes a ranking on the night four of them share a full year. Every window ETFIQ can measure for NFXS is listed.

### Where to next

### Sources

Links are sources, not endorsements.

A ranking is not a recommendation or an opinion. ETFIQ is an independent publisher, not an adviser. Standards and sources

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Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.
Cite: ETFIQ, NFXS daily tracking, listed by window, data as of Nov 4, 2026. https://etfiq.com/funds/nfxs/tracking/
Licence: https://etfiq.com/license/ Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.
HTML: https://etfiq.com/funds/nfxs/tracking/