OI update signal: Likely updated MSFT / AAPL · Checked Oct 26, 10:00 EDT
The latest collection was incomplete. Some data may be out of date.
View affected symbolsAADX,AAMI,AAP,ABAT,ABCB,ABEO,ABG,ABM,ABOS,ABSI,ABTC,ABUS,ABVC,ACB,ACET,ACH,ACHC,ACLS,ACMR,ACNB,ACOG,ACRS,ACTG,ADIG,ADTN,ADUR,ADUS,AER,AESI,AEXA,AFCG,AGEN,AGI,AGIO,AGL,AGNT,AGYS,AHRT,AIFC,AIFU,AIP,AIRJ,AIRO,AIRS,AKBA,ALC,ALDX,ALEC,ALGT,ALH,ALKS,ALKT,ALLO,ALLT,ALMS,ALNY,ALT,ALTI,ALTO,AMAL,AMBA,AMBQ,AMCX,AMPG,AMPL,AMPY,AMR,AMRC,AMRZ,AMTM,AMTX,ANAB,ANGI,ANGO,ANGX,ANIK,ANIP,ANIX,ANNX,ANRO,ANVS,AOSL,APEI,APLE,APOG,ARAY,ARCO,ARDT,ARDX,AREC,ARIS,ARLO,AROC,AROW,ARQ,ARTV,ARX,ARXS,ASAN,ASC,ASLE,ASMB,ASO,ASPN,ASTE,ASTH,ASTI,ASTL,ASUR,ASYS,ATEC,ATEN,ATLO,ATNI,ATRC,ATRO,AU,AUDC,AUGO,AUPH,AVAH,AVBC,AVPT,AVR,AWI,AWR,AWRE,AXGN,AXSM,AYA,AZ,BANC,BAND,BANF,BBD,BBVA,BCPC,BCSF,BKKT,BLZE,BMI,BMO,BMRC,BNS,BSBR,BUSE,CENN,COLD,CUE,DDD,DOX,DRTS,EZPW,FAC,FATE,FBIO,FBNC,FCBC,FDMT,FDXF,FELE,FER,FERG,FFBC,FHTX,FIRY,FISI,FLD,FLL,FLNA,FLNG,FLOC,FLUT,FLWS,FLY,FMAO,FMBH,FMNB,FNLC,FORM,FORR,FOSL,FPH,FRHC,FSBC,FSTR,FSUN,FSV,FTRE,FWDI,FWRG,GDYN,GFI,GH,GLBS,GLOO,GPI,GPRE,GRBK,GRDN,GSBC,GSIT,GTN,HAFN,HAPN,HASI,HAWK,HBM,HBNC,HBT,HCSG,HDB,HDSN,HE,HEI,HELP,HESM,HHH,HITI,HLF,HMY,HNGE,HNRG,HNST,HONA,HOS,HPK,HPP,HRI,HROW,HRZN,HSBC,HTFL,HTGC,HTT,HUBG,HUCK,HUMA,HUN,HY,IA,IART,ICHR,ICL,ICLR,IDYA,IESC,IGIC,IIPR,IMMX,IMNM,IMPP,IMTX,IMUX,IMVT,IMXI,INBK,INBX,ING,INGN,INIO,INMB,INMD,INOD,INR,INSE,INSM,INSP,INV,INVE,INVX,IOND,IONS,IPWR,IRLA,IRMD,IRTC,IRWD,IVR,IVVD,LFWD,MT,NTLA,PI,RAIL,RCEL,RCUS,SBC,SEV,SPRY,SRCE,THFF,TKNO,TRAX,TXG

MDU

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $19.37 · Expirations before Oct 23, 2026 hidden automatically.

ITM In the money Unshaded: out of the money ATM Strike equals stock price Based on the saved stock price
82 contracts / 4 expirationsClick OI for history
Nov 20, 2026EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$19.37Nearest ATM strike $20.00
Jump to ATM
MDU option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 374.10% 5.00 0 0 0New 386.95%
0 0In the money 0New 269.22% 7.50 0 0 0New 279.04%
0 0In the money 0New 197.67% 10.00 0 0 0New 188.92%
0 0In the money 0New 0.00% 12.50 0 0 0New 149.10%
0 0In the money 0New 0.00% 15.00 0 0 0New 91.35%
6 6In the money 0 23.41% 17.50 1 1 0 50.41%
STOCK PRICE $19.37
14 14 0 26.09% 20.00NEAREST ATM 0 0In the money 0New 28.47%
0 0 0New 30.03% 22.50 0 0In the money 0New 51.66%
1 1 0 84.86% 25.00 0 0In the money 0New 74.20%
0 0 0New 113.66% 27.50 0 0In the money 0New 93.12%
0 0 0New 120.82% 30.00 0 0In the money 0New 135.02%
0 0 0New 135.43% 32.50 0 0In the money 0New 124.12%
Dec 18, 2026EXPIRATION22 contracts / 11 strikes
SAVED STOCK PRICE$19.37Nearest ATM strike $20.00
Jump to ATM
MDU option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 254.41% 5.00 0 0 0New 275.38%
0 0In the money 0New 188.99% 7.50 0 0 0New 198.21%
0 0In the money 0New 137.81% 10.00 0 0 0New 145.74%
0 0In the money 0New 0.00% 12.50 0 0 0New 68.29%
0 0In the money 0New 0.00% 15.00 0 0 0New 63.86%
0 0In the money 0New 23.46% 17.50 0 0 0New 24.88%
STOCK PRICE $19.37
0 0 0New 27.81% 20.00NEAREST ATM 1 1In the money 0 23.59%
0 0 0New 45.16% 22.50 0 0In the money 0New 31.69%
0 0 0New 66.96% 25.00 0 0In the money 0New 47.17%
0 0 0New 81.26% 27.50 0 0In the money 0New 55.81%
0 0 0New 94.90% 30.00 0 0In the money 0New 76.91%
Jan 15, 2027EXPIRATION18 contracts / 9 strikes
SAVED STOCK PRICE$19.37Nearest ATM strike $20.00
Jump to ATM
MDU option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 88.27% 12.50 0 0 0New 87.65%
4 4In the money 0 0.00% 15.00 0 0 0New 38.86%
1 1In the money 0 38.66% 17.50 53 53 0 26.14%
STOCK PRICE $19.37
130 130 0 21.79% 20.00NEAREST ATM 11 11In the money 0 27.15%
59 59 0 28.47% 22.50 0 0In the money 0New 33.28%
43 43 0 49.29% 25.00 0 0In the money 0New 47.30%
2 2 0 60.62% 27.50 0 0In the money 0New 56.54%
5 5 0 70.36% 30.00 0 0In the money 0New 72.23%
0 0 0New 78.92% 32.50 0 0In the money 0New 69.43%
Apr 16, 2027EXPIRATION18 contracts / 9 strikes
SAVED STOCK PRICE$19.37Nearest ATM strike $20.00
Jump to ATM
MDU option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 12.50 0 0 0New 54.70%
0 0In the money 0New 0.00% 15.00 0 0 0New 41.12%
4 4In the money 0 31.08% 17.50 0 100 +100New 24.78%
STOCK PRICE $19.37
21 21 0 23.43% 20.00NEAREST ATM 2 2In the money 0 23.34%
91 92 +1 22.53% 22.50 0 0In the money 0New 27.21%
0 0 0New 36.97% 25.00 0 0In the money 0New 33.43%
0 0 0New 42.05% 27.50 0 0In the money 0New 43.93%
1 1 0 48.84% 30.00 0 0In the money 0New 55.14%
0 0 0New 59.16% 32.50 0 0In the money 0New 46.70%

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