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)2.35-27.24-9.960.85-11.4639.3438.7837.8611.18106.4712.64-28.1896.5924.74-13.8648.667.61-31.46
24Q2 (19)3.23141.04-33.40.9688.24-6.828.13-58.5749.9594.52-47.487.2977.43-40.7416.4745.22-61.4111.96
24Q1 (18)1.34-51.62-53.150.51-51.8950.067.90106.45113.19179.96110.09-32.6130.6767.48-30.56117.19189.225.9
23Q4 (17)2.776.13-12.621.0673.7747.2232.89-5.7114.5285.66-42.22-32.6378.02-30.42-0.7340.52-42.93-47.57
23Q3 (16)2.61-46.19-22.780.61-40.78-46.0234.8885.9329.57148.2568.2783.59112.1368.67240.9271.0075.79-5.04
23Q2 (15)4.8569.5854.461.03202.9417.0518.76-41.1-35.2988.10-67.0-14.566.48-64.67329.4640.39-63.5-65.35
23Q1 (14)2.86-9.78-4.980.34-52.78-52.7831.8510.95.36266.99109.98110.76188.18139.45763.21110.6643.18-18.09
22Q4 (13)3.17-6.21-5.090.72-36.28-21.7428.726.695.47127.1557.4628.9678.59138.95476.677.293.37-31.11
22Q3 (12)3.387.6419.431.1328.4168.6626.92-7.14-16.2280.75-21.63-40.5532.89112.47168.2774.77-35.85-51.98
22Q2 (11)3.144.323.630.8822.2272.5528.99-4.1-3.43103.04-18.66-42.8215.48-28.99-28.47116.55-13.73-38.19
22Q1 (10)3.01-9.88-8.790.72-21.7426.3230.2311.029.53126.6828.48-21.3321.8059.94-17.3135.1020.41-16.74
21Q4 (9)3.3418.0215.970.9237.3129.5827.23-15.25-13.7598.60-27.4-23.0213.6311.17-44.64112.20-27.93-16.91
21Q3 (8)2.83-6.6-14.240.6731.37-39.6432.137.0316.5135.82-24.6366.3212.26-43.35-37.96155.69-17.4473.97
21Q2 (7)3.03-8.18-14.650.51-10.53-48.4830.028.7716.95180.2011.9196.4721.64-17.91-4.59188.5716.2199.12
21Q1 (6)3.3014.5821.770.57-19.72-17.3927.60-12.58-17.69161.0225.7122.626.367.07-4.25162.2720.1618.15
20Q4 (5)2.88-12.73-21.310.71-36.04-49.2931.5714.4727.04128.0956.8696.8824.6224.670.5135.0450.978.93
20Q3 (4)3.30-7.040.01.1112.120.027.587.440.081.66-10.970.019.76-12.870.089.49-5.50.0
20Q2 (3)3.5531.00.00.9943.480.025.67-23.440.091.72-30.170.022.68-17.620.094.70-31.050.0
20Q1 (2)2.71-25.960.00.69-50.710.033.5334.930.0131.34101.880.027.5390.650.0137.3481.980.0
19Q4 (1)3.660.00.01.400.00.024.850.00.065.060.00.014.440.00.075.470.00.0
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)9.01-23.515.17101.9540.4930.770.61-50.4867.5813.8943.52-61.9
2022 (9)11.78-16.392.56-18.9930.9819.61142.5823.3459.34181.1114.22-5.13
2021 (8)14.09-6.133.16-15.2825.906.5115.6018.2921.1119.88120.3915.27
2020 (7)15.01-0.533.73-45.7124.320.5497.7384.0517.6132.81104.4463.11
2019 (6)15.091.076.87-29.3924.19-1.0653.1041.5613.26-0.2364.0331.56
2018 (5)14.93-3.499.7327.5224.453.637.51-21.5913.294.3248.67-17.07
2017 (4)15.4749.767.6341.0423.60-33.2447.84-29.0712.74-32.0258.69-30.18
2016 (3)10.3328.165.41-37.9635.35-21.9867.4561.0618.7420.5184.0617.35
2015 (2)8.06-25.718.72-32.3545.3134.6541.8847.8815.5510.5271.6349.54
2014 (1)10.8516.6712.8922.6533.65-14.2528.32-18.4814.07-44.7247.90-1.3

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