—

BB Biotech AG (BION.SW) — Price History

As of 2026-11-02 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

Full Chart ↗

The Closelooknet read

  • Signal: Pullback inside an uptrend stack — Trades -2% vs the 50-day and +6.4% vs the 200-day average, 11.1% below the 52-week high and +33.2% off the 52-week low. Computed from daily closes. (as of 2026-11-02)
  • Trend: BB Biotech AG trades 2.0% below its 50-day and 6.4% above its 200-day moving average. (as of 2026-11-02)

BB Biotech AG is a closed-end investment company that holds a global portfolio of biotechnology equities, chosen through fundamental research rather than an index. It is managed by Bellevue Asset Management and is domiciled in Switzerland, giving investors exposure to the sector rather than to any single drug or therapy.

The full read — the desk's view, the earnings record, peers and the company snapshot — is on the BION.SW overview; the trend detail on the technical tab. Research diary readings, not advice.

Daily prices

DateOpenHighLowCloseChg %Volume
2026-11-0251.2051.6050.7050.70-1.17%63,219
2026-10-3051.0052.1050.8051.30+0.20%70,194
2026-10-2950.2051.8050.2051.20+1.99%92,482
2026-10-2850.3050.6049.5550.20-0.20%246,850
2026-10-2749.1050.4049.1050.30+1.82%38,536
2026-10-2648.8550.0048.8549.40+1.44%63,433
2026-10-2349.9050.0048.7048.70-2.60%87,948
2026-10-2250.2050.6049.5050.00-0.79%69,402
2026-10-2150.3050.7050.0050.40+0.40%74,060
2026-10-2048.6550.5048.5550.20+3.19%79,341
2026-10-1948.0048.6547.8048.65+1.04%57,173
2026-10-1649.5049.5048.1048.15-2.73%63,070
2026-10-1548.3549.5048.3549.50+1.54%76,925
2026-10-1448.3049.3048.2048.75-0.31%90,673
2026-10-1349.4049.7048.8548.90-1.21%56,877
2026-10-1249.2049.9049.2049.50+0.71%68,495
2026-10-0948.2049.1548.2049.15+2.82%91,994
2026-10-0849.5049.5047.6047.80-4.40%148,695
2026-10-0749.0050.0049.0050.00+0.70%94,608
2026-10-0649.9550.4048.8049.65+0.20%77,709
2026-10-0550.0050.9049.2549.55-1.49%73,795
2026-10-0250.5050.6050.0050.30-1.18%89,976
2026-10-0151.5051.8050.7050.90-1.93%86,534
2026-09-3050.6051.9050.6051.90+1.37%57,889
2026-09-2951.4051.8050.9051.20-0.39%34,219
2026-09-2851.3051.4050.8051.40+0.59%52,385
2026-09-2551.3051.6050.9051.10-0.20%66,684
2026-09-2451.3051.5050.9051.20-0.58%49,332
2026-09-2352.3052.5051.2051.50-1.34%92,709
2026-09-2251.6052.3051.3052.20+0.77%61,806
2026-09-2152.1052.2051.5051.80-0.96%44,832
2026-09-1852.8052.8051.8052.30+0.19%216,260
2026-09-1752.2052.8052.0052.20+0.97%127,986
2026-09-1651.8052.0051.4051.70-0.19%53,631
2026-09-1552.2052.7051.3051.80-1.15%73,474
2026-09-1452.5053.0052.3052.40-0.19%46,645
2026-09-1152.6053.3052.2052.50-0.57%82,317
2026-09-1053.8053.9052.8052.80-1.86%56,652
2026-09-0953.7054.1053.5053.80-0.19%43,109
2026-09-0854.0054.7053.3053.90-0.55%81,033
2026-09-0754.8055.0054.2054.20-1.63%49,739
2026-09-0455.4055.9055.1055.10-1.08%68,313
2026-09-0356.0056.0055.2055.70-0.36%61,704
2026-09-0255.8056.9055.6055.90+0.72%87,209
2026-09-0156.0056.0054.5055.50-0.72%135,101
2026-08-3155.8056.2055.6055.90-0.18%89,543
2026-08-2856.6056.9055.9056.00-1.41%79,319
2026-08-2756.5056.9056.0056.80+1.07%76,530
2026-08-2656.6056.8055.9056.20-0.88%95,369
2026-08-2555.7057.0055.7056.70+2.16%94,315
2026-08-2455.2055.5054.9055.50-0.72%84,643
2026-08-2154.9055.9054.6055.90+1.45%54,740
2026-08-2055.9055.9054.5055.10-0.72%91,592
2026-08-1954.7055.8054.6055.50+1.83%106,431
2026-08-1854.3054.6054.2054.50+0.00%42,106
2026-08-1753.1054.5053.0054.50+2.64%98,223
2026-08-1453.5053.6052.4053.10-1.12%87,951
2026-08-1353.9053.9053.4053.70-0.37%65,101
2026-08-1253.4053.9052.9053.90+0.75%56,803
2026-08-1153.3053.5052.8053.50+0.56%72,393
2026-08-1052.0053.2051.9053.20+2.11%74,306
2026-08-0751.7052.6051.5052.10+1.17%186,253
2026-08-0651.2052.2051.0051.50+1.38%80,063
2026-08-0551.2051.8050.8050.80-0.20%65,519
2026-08-0451.0051.3050.5050.90+0.00%53,720
2026-08-0351.8051.9050.2050.90-0.39%93,430
2026-07-3152.7053.3051.1051.10-1.73%181,026
2026-07-3051.7052.2051.4052.00-0.76%189,047
2026-07-2951.7052.6051.5052.40+1.55%78,051
2026-07-2851.6052.2051.2051.60-0.96%70,175
2026-07-2751.3052.1050.7052.10+2.56%116,757
2026-07-2449.7551.2049.7050.80+1.80%223,000
2026-07-2349.6550.3049.0549.90+0.40%78,286
2026-07-2250.2050.2049.7049.70-1.00%56,888
2026-07-2150.1050.2049.4050.20-0.40%64,485
2026-07-2049.5050.6049.4050.40+1.72%126,043
2026-07-1749.2049.7548.7049.55-0.10%46,265
2026-07-1650.1050.2049.3549.60-0.40%84,003
2026-07-1550.4050.6049.7049.80-0.60%54,089
2026-07-1450.9050.9049.7050.10-0.60%43,827
2026-07-1350.8050.8049.7050.40-0.40%46,655
2026-07-1051.4051.7050.3050.60-1.75%52,974
2026-07-0951.0051.8050.8051.50+1.78%62,316
2026-07-0851.5052.0050.6050.60-2.50%68,291
2026-07-0750.3051.9050.3051.90+3.80%129,568
2026-07-0650.9050.9049.3050.00-1.57%77,854
2026-07-0350.0051.0049.9050.80+2.11%79,895
2026-07-0248.8049.9048.6049.75+1.32%91,244
2026-07-0148.8049.4548.4049.10+0.72%74,184
2026-06-3048.2548.8048.1048.75+1.77%74,750
2026-06-2947.6548.1047.5547.90+0.63%75,682
2026-06-2647.5048.1046.8047.60-0.42%76,088
2026-06-2546.5047.9046.2547.80+2.14%93,157
2026-06-2446.6047.2045.8046.80+1.08%78,306
2026-06-2345.3546.5045.3546.30+1.54%139,900
2026-06-2245.6046.0045.3545.60+0.11%88,148
2026-06-1944.2045.5544.2045.55+3.05%205,814
2026-06-1844.0544.4043.7544.20+0.68%77,795
2026-06-1742.8043.9042.4043.90+3.05%91,118
2026-06-1643.7043.7042.6042.60-2.29%39,730
2026-06-1544.1544.1543.3043.60+0.23%47,031
2026-06-1243.2043.9543.0043.50+1.64%59,236
2026-06-1141.9042.8041.7542.80+1.78%55,613
2026-06-1041.8042.5541.3042.05+1.57%91,325
2026-06-0941.6042.3041.1041.40-0.72%71,149
2026-06-0841.6042.1041.0541.70-1.18%70,774
2026-06-0542.2042.3041.8542.20-0.47%42,639
2026-06-0442.2042.4541.4542.40+1.07%59,864
2026-06-0342.0042.1041.4541.95-0.47%56,924
2026-06-0243.2043.2042.0042.15-2.20%76,615
2026-06-0144.0044.5042.9543.10-1.26%68,444
2026-05-2944.2044.5043.6043.65-1.91%69,896
2026-05-2844.2544.6044.0544.50+0.11%53,633
2026-05-2744.2544.9044.1544.45+0.34%47,359
2026-05-2644.1544.3543.8544.30+0.34%59,041
2026-05-2244.2544.8044.1544.15+0.23%52,090
2026-05-2144.2044.9543.9544.05-0.11%86,944
2026-05-2043.1544.2543.1044.10+0.92%81,210
2026-05-1943.1043.9042.8543.70+1.75%69,527
2026-05-1844.4044.6542.9542.95-3.91%168,302
2026-05-1545.7546.0544.7044.70-2.08%68,287
2026-05-1345.6545.8545.3545.65+0.22%58,558
2026-05-1244.8045.5544.8045.55+0.33%73,246
2026-05-1144.6045.5044.5545.40+1.45%53,116
2026-05-0844.6044.8544.3044.75-0.22%39,328
2026-05-0745.0045.4544.3044.85-0.55%94,636
2026-05-0645.4545.4544.5545.10+0.00%92,717
2026-05-0544.4046.0544.4045.10+1.81%98,574
2026-05-0444.2044.6044.0544.30+0.34%38,097
2026-04-3044.4045.0544.1544.15-0.79%122,583
2026-04-2945.6045.6044.3544.50-2.73%87,112
2026-04-2845.2546.5045.0545.75+0.77%56,385
2026-04-2745.0045.4544.7045.40+1.00%81,566
2026-04-2446.1046.1044.9544.95-2.49%62,753
2026-04-2345.9546.3545.7046.10+0.55%42,867
2026-04-2246.1046.2545.8545.85+0.22%73,837
2026-04-2146.5046.5045.7045.75-1.93%82,368
2026-04-2046.3546.6546.1546.65-0.32%87,077
2026-04-1746.0046.8546.0046.80+1.52%57,916
2026-04-1646.4546.5546.0046.10-0.32%77,618
2026-04-1546.9546.9546.2046.25-0.32%49,018
2026-04-1446.7546.7545.6546.40-1.17%100,125
2026-04-1344.9047.1544.5046.95+4.45%130,394
2026-04-1045.1045.6544.6544.95+0.00%30,304
2026-04-0944.9045.1544.3544.95+1.35%37,650
2026-04-0845.0545.3544.3544.35+1.60%73,387
2026-04-0744.0044.4043.6043.65-2.13%55,701
2026-04-0244.1045.2044.0544.60+0.45%89,750
2026-04-0145.3045.3044.3544.40-0.11%106,073
2026-03-3143.1044.8542.8544.45+2.89%159,891
2026-03-3042.8543.2542.5043.20+0.82%120,275
2026-03-2743.6043.8542.6042.85-1.04%111,464
2026-03-2643.4543.6043.1043.30-0.69%56,868
2026-03-2542.9544.0042.8043.60+2.59%68,438
2026-03-2443.0043.1042.2542.50-0.82%94,451
2026-03-2342.3543.8041.6542.85-5.62%161,720
2026-03-2045.0545.5544.8045.40+1.45%1,037,699
2026-03-1945.2545.5044.7544.75-1.21%235,093
2026-03-1846.8046.9045.0545.30-3.00%94,856
2026-03-1746.1546.8045.8046.70+1.30%166,639
2026-03-1645.0046.4044.8046.10+3.25%104,499
2026-03-1345.5046.0044.5044.65-1.00%83,397
2026-03-1245.8046.0545.0045.10-1.85%73,143
2026-03-1146.4046.4045.6545.95-1.08%58,350
2026-03-1046.0546.4545.5046.45+2.88%73,281
2026-03-0944.4545.1544.1045.15-0.22%88,651
2026-03-0645.5545.7044.6045.25-0.33%76,343
2026-03-0546.0046.5045.4045.40-1.63%70,387
2026-03-0445.4046.2545.1046.15+1.10%87,684
2026-03-0346.6047.0545.3545.65-3.59%155,791
2026-03-0246.0047.5545.6547.35+0.53%141,589
2026-02-2746.7047.1546.5047.10+1.62%82,943
2026-02-2647.3547.5046.2046.35-2.22%111,655
2026-02-2547.4048.1047.0047.40+0.21%90,044
2026-02-2447.3047.8547.2547.30+0.64%89,938
2026-02-2346.3547.8546.1047.00+1.18%123,335
2026-02-2046.1046.6545.8546.45+0.98%88,825
2026-02-1945.9546.2045.4046.00-0.22%67,956
2026-02-1846.0046.1045.2546.10-0.32%91,571
2026-02-1744.8546.2544.8546.25+2.66%52,543
2026-02-1645.1045.3044.2045.05-1.96%66,915
2026-02-1346.0046.0545.2045.95+1.10%46,046
2026-02-1246.2046.2045.3045.45+0.00%35,358
2026-02-1145.8046.2045.0045.45-1.52%47,724
2026-02-1046.2046.3045.7546.15-0.22%28,642
2026-02-0946.7046.7545.8046.25-0.64%42,407
2026-02-0646.3046.8045.4546.55-0.43%81,926
2026-02-0546.9047.2546.2546.75-0.95%76,017
2026-02-0447.3047.7046.9047.20+0.00%246,546
2026-02-0346.8547.7546.8547.20+0.32%45,780
2026-02-0246.8047.5546.3547.05+1.51%70,063
2026-01-3046.5547.1546.3046.35-0.75%65,497
2026-01-2947.0547.3046.5046.70-0.74%55,081
2026-01-2847.5548.3046.9547.05-2.08%108,835
2026-01-2747.5048.5047.2548.05+3.00%88,478
2026-01-2647.9548.0046.0546.65-5.76%190,375
2026-01-2349.3049.6549.1549.50+0.30%56,944
2026-01-2248.9049.6548.8049.35+1.86%61,932
2026-01-2147.5048.4547.4048.45+2.98%112,180
2026-01-2047.4047.7046.7047.05-1.67%85,268
2026-01-1947.9548.0547.4047.85-1.14%62,183
2026-01-1648.9549.1048.2548.40-0.92%65,084
2026-01-1548.7549.5048.5048.85+0.72%81,131
2026-01-1448.2548.9548.2548.50+0.83%82,617
2026-01-1348.0048.3547.7548.10+0.84%95,114
2026-01-1247.2047.7046.7547.70+0.00%128,197
2026-01-0947.2047.9046.9547.70+1.81%138,160
2026-01-0846.2046.9546.2046.85+2.52%167,874
2026-01-0744.3045.8544.0545.70+3.28%72,115
2026-01-0643.4044.2543.0544.25+2.08%73,101
2026-01-0545.0045.0042.8043.35-3.56%141,669
2025-12-3045.0045.3544.8544.95-0.44%35,703
2025-12-2945.6045.8545.1545.15-0.88%69,998
2025-12-2346.1046.1045.5545.55-1.62%49,409
2025-12-2245.4546.3045.4546.30+1.54%47,592
2025-12-1944.6545.6044.6045.60+1.67%64,285
2025-12-1845.1045.2044.3544.85-1.21%76,292
2025-12-1745.3545.7545.1045.40+0.11%54,775
2025-12-1645.7045.9545.2045.35-0.98%55,305
2025-12-1545.4545.8545.0045.80+0.88%92,967
2025-12-1245.3045.8545.1545.40+0.55%55,084
2025-12-1145.3045.4044.8045.15-0.99%60,145
2025-12-1045.7545.8545.2545.60-0.87%66,040
2025-12-0946.8047.1045.8546.00-2.34%86,955
2025-12-0846.0047.1045.8547.10+2.73%87,255
2025-12-0545.8046.4545.8045.85+0.44%76,888
2025-12-0445.5045.8044.9545.65+0.44%59,896
2025-12-0344.6545.4544.3545.45+2.13%85,491
2025-12-0244.4045.4544.2544.50+0.34%74,807
2025-12-0144.9045.0044.2544.35-1.55%69,983
2025-11-2844.2545.0544.1545.05+1.92%99,416
2025-11-2744.6044.6544.0544.20-0.79%122,874
2025-11-2644.5044.6044.2044.55+0.34%56,444
2025-11-2543.7544.4043.4544.40+2.07%161,299
2025-11-2442.8543.7542.5543.50+2.47%110,634
2025-11-2142.4042.6041.9042.45-1.74%111,636
2025-11-2042.4043.5542.4043.20+2.49%94,565
2025-11-1942.5042.9042.1542.15-0.12%84,661
2025-11-1842.5542.8542.0042.20-1.17%85,344
2025-11-1741.9042.7541.8042.70+2.52%119,171
2025-11-1440.9541.6540.3541.65+0.73%94,319
2025-11-1341.9042.1541.1541.35-0.24%99,970
2025-11-1241.5541.8541.3041.45+0.85%80,901
2025-11-1140.9041.2540.6041.10+0.86%52,100
2025-11-1040.8041.1040.3040.75+1.62%71,408
2025-11-0741.0041.0040.0540.10-1.84%70,147
2025-11-0640.9541.0540.5040.85+0.25%56,776
2025-11-0540.9040.9040.2040.75-0.73%54,505
2025-11-0440.6041.3040.5041.05+0.74%70,733
2025-11-0341.2542.0540.6040.75-0.85%123,332

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Nov (+10.55%). Worst month: Mar (-11.67%). Based on 2 years of daily data (2025–2026).

FAQ · from the current price data · as of 2026-11-02

Quick answers

What is BB Biotech AG's (BION.SW) latest close?

50.70 on 2026-11-02, from the Closelook data lake's daily price record.

What is BION.SW's 52-week high and low?

57.00 high and 40.05 low over the trailing 52 weeks, as of 2026-11-02.

What is BB Biotech AG's strongest and weakest month historically?

Historically, BION.SW's strongest calendar month has been Nov (average +10.55%) and its weakest Mar (average -11.67%), based on 2 years of daily data (2025–2026).

How many years of seasonality does this cover?

2 years (2025–2026), computed from 460 daily bars in the Closelook data lake.

What is the current Closelooknet signal on BION.SW?

Pullback inside an uptrend stack: Trades -2% vs the 50-day and +6.4% vs the 200-day average, 11.1% below the 52-week high and +33.2% off the 52-week low. Computed from daily closes. As of 2026-11-02. A research diary reading, not advice.

Is BION.SW above its 50-day and 200-day moving averages?

BB Biotech AG trades 2.0% below its 50-day and 6.4% above its 200-day moving average (2.2% above its 20-day). As of 2026-11-02.