Zip Code: 63366 (O Fallon, MO) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 63366 Zip Code in February 2026 was 91.325.

You can see similar for other Missouri Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 63366 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 63366 - Market Hotness: Trend of Supply Score
Zip Code: 63366 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 85.64198687910029
October 2017 76.92977545561983
November 2017 95.65025252525253
December 2017 92.2382089167043
January 2018 91.79867655905353
February 2018 91.13071259897208
March 2018 81.59685680207676
April 2018 80.53189279035944
May 2018 52.89983624454149
June 2018 47.29774646014758
July 2018 55.9049525408407
August 2018 79.27950945324477
September 2018 88.1752472736495
October 2018 81.4228255404726
November 2018 72.40746599177476
December 2018 66.49318941146235
January 2019 67.45963756177925
February 2019 83.31845340292561
March 2019 90.70315206096294
April 2019 72.45611629182666
May 2019 61.761679357892575
June 2019 71.70712028508035
July 2019 71.98741891094947
August 2019 66.36742128545407
September 2019 72.02991039773093
October 2019 84.44358378517944
November 2019 89.76044785835178
December 2019 68.04623663057198
January 2020 62.4598855867169
February 2020 65.31327588724989
March 2020 44.74439132033836
April 2020 85.51283954282322
May 2020 79.9716333233801
June 2020 85.45031172538121
July 2020 63.20470187920502
August 2020 61.831210191082796
September 2020 82.82663623767218
October 2020 47.87858460506457
November 2020 17.099621689785625
December 2020 12.528654558278962
January 2021 37.69717578161897
February 2021 85.31382046789653
March 2021 90.85727314181486
April 2021 64.15599534342259
May 2021 49.08775981524249
June 2021 39.76640104792054
July 2021 58.473806399515496
August 2021 61.95172349018503
September 2021 59.65407373691397
October 2021 60.31373963216733
November 2021 64.99272197962155
December 2021 70.47143974960876
January 2022 84.75173400858748
February 2022 83.96613967384539
March 2022 80.96575708935259
April 2022 79.58128715430344
May 2022 47.77621722846442
June 2022 94.45478998551624
July 2022 64.47161248494953
August 2022 49.95300350337521
September 2022 78.88036421886856
October 2022 82.71981044258271
November 2022 85.0578539915092
December 2022 91.88386110875287
January 2023 96.17505781889344
February 2023 86.1976420971916
March 2023 91.89243427654023
April 2023 79.45402298850574
May 2023 67.7002322997677
June 2023 90.50152724406345
July 2023 81.69983963777003
August 2023 78.89966464243633
September 2023 90.88488506257212
October 2023 77.97247628002394
November 2023 85.51496702181633
December 2023 80.41934392965844
January 2024 57.791118566257616
February 2024 87.55268333801631
March 2024 96.02636354952718
April 2024 55.854680950163015
May 2024 29.359623733719246
June 2024 36.53945777931273
July 2024 36.15549332894087
August 2024 74.2790585589204
September 2024 74.8887327242914
October 2024 65.70111409911641
November 2024 49.58608002452859
December 2024 57.08561300762888
January 2025 52.98948751642576
February 2025 49.49712026132554
March 2025 98.45516527142487
April 2025 82.98587760591796
May 2025 71.2772890192245
June 2025 80.17808749516067
July 2025 86.89867708959711
August 2025 96.71694764862467
September 2025 89.86569872958258
October 2025 75.5370705244123
November 2025 77.36861181587533
December 2025 76.63558264189734
January 2026 94.79190885840502
February 2026 89.49834396962598
March 2026 91.3250636654892