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Massed Flies Ballooniphones

Massed FliesUnusual4h ago
Sell price
63 keys, 40.44 ref
Buy price
55 keys, 21.22 ref
In keys
63.7 keys
In USD
$143.86 at the Steam key rate

Community price on backpack.tf: 165 keys, last changed 2022-09-17 (4.0y ago). The live quote above, 63.7 keys, is 61% lower and last moved 4h 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

81 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 Ballooniphones sell price, 2025-09-25 to 2026-09-05: 81 observations, from 172 keys to 63.7 keys. Sampled evenly across the range.
Observed (UTC)SellBuy
25 SEP 2025 · 03:29 UTC172 keys141 keys
9 OCT 2025 · 10:13 UTC164 keys147 keys
25 OCT 2025 · 18:23 UTC148 keys134 keys
22 JUN 2026 · 23:13 UTC58.6 keys51.0 keys
5 JUL 2026 · 23:12 UTC57.2 keys49.8 keys
19 JUL 2026 · 22:44 UTC60.7 keys52.8 keys
3 AUG 2026 · 00:24 UTC65.4 keys56.8 keys
21 AUG 2026 · 10:09 UTC64.6 keys56.2 keys
21 AUG 2026 · 16:08 UTC64.7 keys56.3 keys
22 AUG 2026 · 08:09 UTC64.6 keys56.2 keys
22 AUG 2026 · 16:08 UTC64.6 keys56.1 keys
23 AUG 2026 · 00:09 UTC65.8 keys57.2 keys
23 AUG 2026 · 06:09 UTC66.2 keys57.5 keys
23 AUG 2026 · 14:09 UTC66.2 keys57.5 keys
23 AUG 2026 · 22:09 UTC65.6 keys57.1 keys
24 AUG 2026 · 06:09 UTC65.2 keys56.7 keys
24 AUG 2026 · 12:09 UTC65.4 keys56.8 keys
24 AUG 2026 · 20:09 UTC65.7 keys57.2 keys
26 AUG 2026 · 16:09 UTC66.0 keys57.4 keys
28 AUG 2026 · 07:13 UTC66.0 keys57.4 keys
28 AUG 2026 · 16:09 UTC64.1 keys55.7 keys
28 AUG 2026 · 22:10 UTC64.3 keys55.9 keys
29 AUG 2026 · 08:10 UTC66.1 keys57.4 keys
29 AUG 2026 · 16:09 UTC66.4 keys57.8 keys
30 AUG 2026 · 00:10 UTC66.6 keys57.9 keys
30 AUG 2026 · 08:09 UTC67.0 keys58.2 keys
31 AUG 2026 · 00:09 UTC65.6 keys57.1 keys
31 AUG 2026 · 10:09 UTC65.6 keys57.0 keys
31 AUG 2026 · 18:10 UTC65.4 keys56.9 keys
31 AUG 2026 · 22:10 UTC65.5 keys56.9 keys
1 SEP 2026 · 04:10 UTC65.3 keys56.8 keys
1 SEP 2026 · 14:08 UTC65.4 keys56.9 keys
1 SEP 2026 · 22:08 UTC65.4 keys56.9 keys
2 SEP 2026 · 12:09 UTC64.8 keys56.3 keys
3 SEP 2026 · 18:10 UTC64.2 keys55.8 keys
4 SEP 2026 · 02:08 UTC63.2 keys55.0 keys
4 SEP 2026 · 10:08 UTC66.3 keys57.6 keys
4 SEP 2026 · 20:08 UTC64.5 keys56.1 keys
5 SEP 2026 · 04:09 UTC65.9 keys57.3 keys
5 SEP 2026 · 12:10 UTC63.7 keys55.3 keys

Price history in numbers

81 readings since 25 Sep 2025

Over the last 30 days the Massed Flies Ballooniphones's sell price ranged from 61.9 keys to 69.0 keys and is down 7.8% after 67 moves. Over a year it ranged from 57.2 keys to 172 keys (down 62.9%). Today's 63.7 keys sits in the lower third of its range: the lowest we have recorded is 57.2 keys (5 Jul 2026) and the highest 172 keys (25 Sep 2025). The price has moved 80 times since we began recording it — about once every 4 days.

WindowLowHighChangeMovesReadings
30 days61.9 keys69.0 keys−7.8%6768
90 days57.2 keys69.0 keys+8.6%7475
a year57.2 keys172 keys−62.9%8081

Details

SKU31183;5;u12
Last price change2026-09-05 12:10 UTC
Key rate when recorded61.89 ref

Same effect, other items

the effect across the catalogue

Other effects on the Ballooniphones

same item, different effect

Priced similarly

across the catalogue