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Massed Flies Hat Outta Hell

✦ Massed FliesUnusual17d ago
Sell price
22 keys, 8.66 ref
Buy price
19 keys, 15.88 ref
In keys
22.1 keys
In USD
$48.70 at the Steam key rate

Community price on backpack.tf: 23.0 keys, last changed 2025-12-09 (10mo ago). The live quote above, 22.1 keys, is 4% lower and last moved 17d ago. They are different measures: the quote is what traders and bots are asking and bidding on the classifieds right now, and it moves for thousands of items every day; the community price is a suggestion accepted by vote, which changes only when someone argues it should. A quote well away from the vote is usually a price that is about to be re-argued. Community prices from backpack.tf, read under an hour ago.

Price history

26 observations

Interactive chart. Press the left and right arrow keys to move along the series, Home or End to jump to either end, Escape to clear.

The key axis converts at today's rate. Prices are recorded in metal, so a line that is flat in keys followed the key rate rather than standing still.

Massed Flies Hat Outta Hell sell price, 2025-12-12 to 2026-10-02: 26 observations, from 20.6 keys to 21.9 keys.
Observed (UTC)SellBuy
12 DEC 2025 · 16:32 UTC20.6 keys18.5 keys
19 JUN 2026 · 10:10 UTC24.3 keys20.2 keys
22 JUN 2026 · 00:12 UTC25.8 keys20.3 keys
9 JUL 2026 · 18:44 UTC14.2 keys12.4 keys
22 JUL 2026 · 10:45 UTC18.3 keys16.0 keys
31 JUL 2026 · 00:44 UTC20.0 keys17.4 keys
3 AUG 2026 · 08:24 UTC15.9 keys13.8 keys
10 AUG 2026 · 15:11 UTC18.2 keys15.7 keys
22 AUG 2026 · 12:09 UTC21.4 keys18.6 keys
23 AUG 2026 · 00:09 UTC22.7 keys19.8 keys
24 AUG 2026 · 12:09 UTC22.6 keys19.7 keys
25 AUG 2026 · 16:09 UTC22.7 keys19.7 keys
30 AUG 2026 · 12:09 UTC23.0 keys20.0 keys
1 SEP 2026 · 06:09 UTC22.3 keys19.4 keys
1 SEP 2026 · 18:08 UTC22.7 keys19.7 keys
5 SEP 2026 · 18:08 UTC22.5 keys19.5 keys
9 SEP 2026 · 06:10 UTC20.1 keys17.5 keys
9 SEP 2026 · 16:10 UTC20.6 keys17.9 keys
9 SEP 2026 · 20:09 UTC21.1 keys18.4 keys
10 SEP 2026 · 10:10 UTC21.1 keys18.4 keys
13 SEP 2026 · 02:08 UTC19.7 keys17.1 keys
20 SEP 2026 · 08:09 UTC21.6 keys18.7 keys
22 SEP 2026 · 14:10 UTC21.6 keys18.7 keys
25 SEP 2026 · 22:10 UTC22.2 keys19.3 keys
26 SEP 2026 · 10:08 UTC22.1 keys19.2 keys
2 OCT 2026 · 13:12 UTC21.9 keys19.1 keys

Price history in numbers

26 readings since 12 Dec 2025

Over the last 30 days the Massed Flies Hat Outta Hell's sell price ranged from 21.6 keys to 22.2 keys and is up 1.6% after 4 moves. Over a year it ranged from 14.2 keys to 25.8 keys (up 6.5%). Today's 21.9 keys sits in the middle of its range: the lowest we have recorded is 14.2 keys (9 Jul 2026) and the highest 25.8 keys (22 Jun 2026). The price has moved 25 times since we began recording it — about once every 12 days.

WindowLowHighChangeMovesReadings
30 days21.6 keys22.2 keys+1.6%45
90 days15.9 keys23.0 keys+19.5%2122
a year14.2 keys25.8 keys+6.5%2526

Details

SKU31216;5;u12
Last price change2026-09-26 10:08 UTC
Key rate when recorded64.11 ref

Same effect, other items

the effect across the catalogue

Other effects on the Hat Outta Hell

same item, different effect

Priced similarly

across the catalogue