# $KPSTORM · Days with a geomagnetic storm

Days in a month (UTC) on which the planetary Kp index reached 5 in any of its eight three-hour slots: a geomagnetic storm, G1 or stronger on NOAA's scale. Kp comes in thirds, so 5- (4.67) does not count and 5 does. Read from the Kp file of GFZ Helmholtz Centre for Geosciences, which makes the index. A month prints once every slot of every day is in. GFZ's newest values are nowcasts replaced by definitive values about a month later; the record keeps any revision. Counted from January 2010.

| Field | Value |
| --- | --- |
| Newest complete period | Oct 2026: 4 days, score 3, Quiet |
| Source | GFZ Helmholtz Centre for Geosciences, Geomagnetic Observatory Niemegk, Kp index since 1932 (https://kp.gfz.de/en/data) |
| Terms | CC BY 4.0 for Kp. The same file carries sunspot numbers under CC BY-NC 4.0; Tickerz does not read or keep them. |
| Cadence | Monthly. GFZ posts Kp within hours of each slot; a month prints the day after it ends, once every day is in. |
| Grade | reference |
| Rulebook | Rulebook v0.2, 2026-10-04 |

## Settlement

Why this grade: The official planetary Kp index from the observatory that makes it, under CC BY 4.0. A nowcast can be corrected by a third, which can move a day across the line; the record keeps the revision.
What it costs to move: Not possible. It is measured at observatories around the world.
When the source is late: A month prints the day after it ends once all eight Kp values of every day are in. A slot GFZ leaves at -1 keeps the month open. If the file has no day in the last three, the read fails. A month GFZ never completes is void.
Precision: Whole days, UTC, with at least one three-hour Kp of 5 or more.

## As first published, and the proof

Not on-chain yet. The newest complete period goes on-chain with the daily proof at 12:40 UTC.

## Last 30 complete periods

| Period | Level | Change | Band |
| --- | ---: | ---: | --- |
| Oct 2026 | 4 days |  | Quiet |
| Sep 2026 | 1 day |  | Quiet |
| Aug 2026 | 3 days |  | Quiet |
| Jul 2026 | 2 days |  | Quiet |
| Jun 2026 | 2 days |  | Quiet |
| May 2026 | 3 days |  | Quiet |
| Apr 2026 | 5 days |  | Quiet |
| Mar 2026 | 8 days |  | Normal |
| Feb 2026 | 4 days |  | Quiet |
| Jan 2026 | 10 days |  | Elevated |
| Dec 2025 | 5 days |  | Quiet |
| Nov 2025 | 6 days |  | Quiet |
| Oct 2025 | 7 days |  | Quiet |
| Sep 2025 | 7 days |  | Normal |
| Aug 2025 | 2 days |  | Quiet |
| Jul 2025 | 2 days |  | Normal |
| Jun 2025 | 9 days |  | Elevated |
| May 2025 | 4 days |  | Quiet |
| Apr 2025 | 6 days |  | Quiet |
| Mar 2025 | 8 days |  | Normal |
| Feb 2025 | 4 days |  | Quiet |
| Jan 2025 | 2 days |  | Quiet |
| Dec 2024 | 1 day |  | Quiet |
| Nov 2024 | 2 days |  | Quiet |
| Oct 2024 | 5 days |  | Quiet |
| Sep 2024 | 3 days |  | Quiet |
| Aug 2024 | 6 days |  | Normal |
| Jul 2024 | 2 days |  | Quiet |
| Jun 2024 | 2 days |  | Quiet |
| May 2024 | 8 days |  | Elevated |

JSON: https://tickerz.com/api/indices/kpstorm

## Asked often

**How many geomagnetic storm days were there last month?** The planetary Kp index reached 5 or more on 4 days in Oct 2026, as GFZ Helmholtz Centre for Geosciences reports it, counted by Tickerz.

**Where does the $KPSTORM number come from?** Tickerz reads it from GFZ Helmholtz Centre for Geosciences, Geomagnetic Observatory Niemegk, Kp index since 1932. Monthly. GFZ posts Kp within hours of each slot; a month prints the day after it ends, once every day is in. Each number is kept as it was first published, with a timestamped proof, and any later revision is shown beside it.

**Can I download the $KPSTORM data?** Yes, free and with no key: the full history as JSON at https://tickerz.com/api/indices/kpstorm and every period as CSV at https://tickerz.com/api/indices/kpstorm/history.csv.

## Name a number

Name a number you want counted. Within 48 hours it is a ticker, or you get the plain reason it cannot be built. POST https://tickerz.com/api/indices/requests with {"counts": "...", "source_url": "..."}, or the MCP tool name_a_number. Answers: https://tickerz.com/x#x-request

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