玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)2.15-3.59-3.150.17-5.5613.3342.303.653.22535.564.36-13.3634.9128.9143.78542.963.04-14.47
24Q2 (19)2.2311.58.780.1812.520.040.81-10.21-8.02513.19-11.18-17.8527.08-0.11-11.07526.92-11.61-17.49
24Q1 (18)2.00-22.18-27.010.16-5.88-15.7945.4528.1436.65577.817.6522.8327.1122.95-3.07596.168.3625.32
23Q4 (17)2.5715.7731.120.1713.336.2535.47-13.45-23.51536.76-13.16-3.3422.05-9.18-41.48550.18-13.33-2.45
23Q3 (16)2.228.2932.930.150.0-25.040.98-7.64-24.64618.13-1.0535.1824.28-20.26-33.77634.83-0.5933.65
23Q2 (15)2.05-25.1826.540.15-21.05-16.6744.3733.4-20.82624.7032.7924.9730.458.87-27.66638.6234.2424.29
23Q1 (14)2.7439.841.970.1918.75-5.033.26-28.27-29.31470.43-15.281.3127.97-25.77-34.94475.72-15.651.56
22Q4 (13)1.9617.37-7.110.16-20.0-27.2746.37-14.737.69555.3021.4433.7837.682.78-18.71563.9918.7436.96
22Q3 (12)1.673.090.00.2011.11-9.0954.38-2.96-0.44457.26-8.5310.0736.66-12.9-34.77474.98-7.5614.77
22Q2 (11)1.62-16.06-33.880.18-10.0-45.4556.0419.1151.17499.887.6682.4642.09-2.09-10.81513.839.794.74
22Q1 (10)1.93-8.53-17.170.20-9.09-59.1847.059.2720.64464.3311.87148.2142.99-7.25-26.25468.3913.74179.19
21Q4 (9)2.1126.35-33.860.220.0-75.5643.06-21.1650.72415.08-0.09310.7746.35-17.53-15.13411.79-0.5449.05
21Q3 (8)1.67-31.84-51.450.22-33.33-78.2254.6247.34106.58415.4451.64362.3756.2019.09-0.95413.8556.85594.85
21Q2 (7)2.455.15-59.640.33-32.65-64.8937.07-4.95147.13273.9746.45182.6847.19-19.04-3.67263.8557.27319.21
21Q1 (6)2.33-26.96-49.460.49-45.56-9.2639.0036.5197.47187.0785.1310.3658.296.74-8.15167.77123.6933.36
20Q4 (5)3.19-7.2793.330.90-10.8932.3528.578.06-48.17101.0512.47-24.6254.61-3.7518.4675.0025.92-47.58
20Q3 (4)3.44-43.330.01.017.450.026.4476.270.089.85-7.290.056.7415.820.059.56-5.370.0
20Q2 (3)6.0731.670.00.9474.070.015.00-24.050.096.92-42.820.048.99-22.80.062.94-49.970.0
20Q1 (2)4.61179.390.00.54-20.590.019.75-64.170.0169.5126.440.063.4637.660.0125.80-12.080.0
19Q4 (1)1.650.00.00.680.00.055.120.00.0134.060.00.046.100.00.0143.080.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)9.508.20.66-13.1638.42-7.62552.9615.3228.30-26.76563.0816.71
2022 (9)8.7833.030.76-37.1941.59-24.83479.5059.3238.64-50.81482.4573.71
2021 (8)6.60-58.671.21-66.0155.33142.04300.97193.6978.5690.54277.74230.21
2020 (7)15.97134.163.5641.2722.86-57.26102.48-29.1441.23-10.7884.11-44.63
2019 (6)6.824.762.52-5.6253.48-4.64144.635.6246.212.57151.912.67
2018 (5)6.51-2.692.67-1.4856.082.71136.931.6945.05-12.83147.967.55
2017 (4)6.69-12.322.71-8.4554.6014.08134.669.3651.686.51137.5712.32
2016 (3)7.63-10.022.96-5.4347.8611.22123.145.6648.52-3.56122.4812.1
2015 (2)8.484.433.132.2943.03-4.27116.54-2.3450.31-12.99109.262.62
2014 (1)8.12-11.743.06-11.344.9513.25119.3312.9457.8223.71106.477.97

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