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
24Q1 (20)0.44-26.67-24.140.68-19.05-28.42208.3038.0631.88133.8823.1639.73105.3424.44-4.13236.8535.3964.63
23Q4 (19)0.6020.0-21.050.8421.74-30.58150.88-16.9325.81108.70-17.644.3284.65-21.27-10.03174.94-15.0972.93
23Q3 (18)0.50-16.67-33.330.69-26.6-37.27181.6419.0550.56131.9235.7359.5107.528.86-3.04206.0336.43122.81
23Q2 (17)0.603.45-25.00.94-1.05-10.48152.58-3.433.3997.191.4411.898.77-10.11-10.11151.014.9665.15
23Q1 (16)0.58-23.68-3.330.95-21.494.4157.9531.73.9795.8127.2-3.96109.8816.78-13.32143.8742.2215.18
22Q4 (15)0.761.3313.431.2110.04.31119.93-0.59-11.8975.32-8.93-4.2194.09-15.15-7.7101.169.4-10.31
22Q3 (14)0.75-6.2519.051.104.76-0.9120.645.46-15.8982.71-4.851.14110.890.9222.092.471.13-31.16
22Q2 (13)0.8033.3326.981.0515.38-7.89114.39-24.7-20.586.93-12.869.25109.88-13.3221.5191.44-26.8-31.26
22Q1 (12)0.60-10.45-1.640.91-21.55-21.55151.9211.621.5299.7626.8726.92126.7724.3632.45124.9110.75-5.76
21Q4 (11)0.676.35-4.291.164.5-19.44136.11-5.15.3278.63-3.8524.81101.9412.1642.71112.79-16.03-6.64
21Q3 (10)0.630.0-19.231.11-2.63-21.28143.43-0.3222.4681.782.7826.7590.890.5156.36134.320.978.75
21Q2 (9)0.633.28-28.411.14-1.72-8.06143.89-3.8538.4579.571.238.4490.43-5.5276.21133.030.375.59
21Q1 (8)0.61-12.8638.641.16-19.4448.72149.6515.79-27.3678.6024.76-32.4395.7133.9916.98132.549.71-44.9
20Q4 (7)0.70-10.26-6.671.442.138.27129.2410.356.8263.00-2.36-7.7271.4322.8832.7120.81-2.19-10.8
20Q3 (6)0.78-11.36-1.271.4113.7119.49117.1212.691.2464.52-12.07-16.6758.1313.270.89123.51-1.97-8.85
20Q2 (5)0.88100.03.531.2458.9719.23103.93-49.56-3.073.38-36.92-16.4551.32-37.28-17.44125.99-47.62-5.14
20Q1 (4)0.44-41.330.00.78-41.350.0206.0370.290.0116.3370.40.081.8252.00.0240.5577.620.0
19Q4 (3)0.75-5.060.01.3312.710.0120.994.580.068.27-11.830.053.83-6.580.0135.43-0.050.0
19Q3 (2)0.79-7.060.01.1813.460.0115.697.980.077.43-11.840.057.62-7.30.0135.502.030.0
19Q2 (1)0.850.00.01.040.00.0107.140.00.087.830.00.062.160.00.0132.810.00.0
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)2.44-9.293.57-21.88149.5810.12102.1627.91106.11-0.92145.6334.09
2022 (9)2.691.514.57-4.99135.83-1.4679.875.24107.093.53108.61-1.51
2021 (8)2.654.744.81-3.99137.84-4.3675.894.27103.4437.46110.28-22.15
2020 (7)2.53-19.175.01-0.4144.1323.5672.780.3975.2531.92141.667.22
2019 (6)3.134.335.0322.98116.65-4.0872.50-18.7957.04-23.31132.12-3.21
2018 (5)3.00-1.324.093.54121.611.3289.27-3.3974.38-9.3136.504.66
2017 (4)3.04-3.83.952.33120.033.8792.40-2.2282.01-0.26130.422.02
2016 (3)3.16-12.953.86-3.98115.5614.8994.503.9982.225.26127.8412.79
2015 (2)3.63-1.094.022.29100.581.0190.87-2.1278.11-2.72113.341.09
2014 (1)3.673.973.93-4.6199.57-3.6792.844.6880.2927.32112.12-13.08

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