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Phosphorous Backwards Ballcap

✦ PhosphorousUnusual11d ago
Sell price
251 keys, 1.44 ref
Buy price
218 keys, 17.88 ref
In keys
251 keys
In USD
$549.74 at the Steam key rate

Community price on backpack.tf: 250 keys, last changed 2023-06-27 (3.3y ago). The live quote above, 251 keys, is the same and last moved 11d 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

107 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.

Phosphorous Backwards Ballcap sell price, 2025-09-25 to 2026-10-12: 107 observations, from 255 keys to 281 keys. Sampled evenly across the range.
Observed (UTC)SellBuy
25 SEP 2025 · 03:29 UTC255 keys208 keys
19 OCT 2025 · 20:05 UTC231 keys208 keys
10 NOV 2025 · 00:26 UTC226 keys203 keys
5 JUL 2026 · 19:12 UTC159 keys138 keys
29 JUL 2026 · 02:45 UTC174 keys152 keys
21 AUG 2026 · 10:09 UTC176 keys153 keys
22 AUG 2026 · 20:08 UTC184 keys160 keys
25 AUG 2026 · 08:09 UTC177 keys154 keys
25 AUG 2026 · 14:09 UTC177 keys154 keys
25 AUG 2026 · 20:09 UTC177 keys154 keys
26 AUG 2026 · 02:09 UTC177 keys154 keys
26 AUG 2026 · 12:08 UTC178 keys155 keys
27 AUG 2026 · 00:09 UTC177 keys154 keys
27 AUG 2026 · 06:08 UTC177 keys154 keys
27 AUG 2026 · 14:08 UTC178 keys154 keys
29 AUG 2026 · 04:09 UTC181 keys158 keys
1 SEP 2026 · 06:08 UTC16.7 keys14.5 keys
6 SEP 2026 · 20:08 UTC110 keys95.4 keys
11 SEP 2026 · 06:08 UTC210 keys183 keys
12 SEP 2026 · 18:08 UTC213 keys185 keys
13 SEP 2026 · 22:08 UTC215 keys187 keys
15 SEP 2026 · 12:08 UTC214 keys186 keys
17 SEP 2026 · 06:08 UTC214 keys187 keys
18 SEP 2026 · 20:07 UTC219 keys191 keys
20 SEP 2026 · 00:09 UTC225 keys195 keys
21 SEP 2026 · 18:09 UTC232 keys202 keys
23 SEP 2026 · 06:08 UTC235 keys204 keys
24 SEP 2026 · 06:08 UTC236 keys205 keys
25 SEP 2026 · 18:08 UTC243 keys211 keys
27 SEP 2026 · 10:07 UTC248 keys216 keys
28 SEP 2026 · 22:08 UTC250 keys218 keys
29 SEP 2026 · 22:08 UTC249 keys217 keys
1 OCT 2026 · 10:08 UTC250 keys218 keys
2 OCT 2026 · 23:08 UTC254 keys221 keys
4 OCT 2026 · 03:09 UTC257 keys224 keys
6 OCT 2026 · 13:09 UTC267 keys232 keys
8 OCT 2026 · 01:10 UTC270 keys234 keys
10 OCT 2026 · 07:09 UTC277 keys241 keys
11 OCT 2026 · 07:09 UTC280 keys243 keys
12 OCT 2026 · 19:08 UTC281 keys244 keys

Price history in numbers

107 readings since 25 Sep 2025

Over the last 30 days the Phosphorous Backwards Ballcap's sell price ranged from 214 keys to 281 keys and is up 30.5% after 52 moves. Over a year it ranged from 16.7 keys to 281 keys (up 21.6%). Today's 281 keys sits at the top of its range: the lowest we have recorded is 16.7 keys (1 Sep 2026) and the highest 281 keys (12 Oct 2026). The price has moved 106 times since we began recording it — about once every 4 days.

WindowLowHighChangeMovesReadings
30 days214 keys281 keys+30.5%5253
90 days16.7 keys281 keys+68.2%9697
a year16.7 keys281 keys+21.6%103104

Details

SKU617;5;u63
Last price change2026-10-01 22:08 UTC
Key rate when recorded62.89 ref

Same effect, other items

the effect across the catalogue

Other effects on the Backwards Ballcap

same item, different effect

Priced similarly

across the catalogue